blabla/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F02F.xml

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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F02F" definition-exists="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</text></title-part><title-part><text>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Attention is drawn to the notes preceding class <class-ref scheme="cpc">F01</class-ref>. </note-paragraph><note-paragraph> In considering the relationship between class <class-ref scheme="cpc">F16</class-ref> and subclass <class-ref scheme="cpc">F02F</class-ref>, class <class-ref scheme="cpc">F16</class-ref> will take precedence unless the subject-matter is specific to combustion engines. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F02F1/00" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02F1/00" definition-exists="true" ipc-concordant="F02F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F1/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Cylinders</text></title-part><title-part><text>Cylinder heads&#160;</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F1/002" definition-exists="true" ipc-concordant="F02F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Integrally formed cylinders and cylinder heads</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F1/004" definition-exists="false" ipc-concordant="F02F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cylinder liners </text><reference><text><class-ref scheme="cpc">F02F1/08</class-ref>, <class-ref scheme="cpc">F02F1/16</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F1/006" definition-exists="false" ipc-concordant="F02F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F1/008" definition-exists="false" ipc-concordant="F02F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stress problems, especially related to thermal stress</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F1/02" definition-exists="true" ipc-concordant="F02F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having cooling means </text><reference><text>cylinder heads <class-ref scheme="cpc">F02F1/26</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/04" definition-exists="true" ipc-concordant="F02F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for air cooling</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/045" definition-exists="false" ipc-concordant="F02F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Attachment of cylinders to crankcase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/06" definition-exists="false" ipc-concordant="F02F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape or arrangement of cooling fins</text></title-part><title-part><text>Finned cylinders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/065" definition-exists="false" ipc-concordant="F02F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for directing or distributing cooling medium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/08" definition-exists="true" ipc-concordant="F02F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>running-liner and cooling-part of cylinder being different parts or of different material</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/10" definition-exists="true" ipc-concordant="F02F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for liquid cooling</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/102" definition-exists="true" ipc-concordant="F02F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Attachment of cylinders to crankcase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F1/104" definition-exists="false" ipc-concordant="F02F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an open deck, i.e. the water jacket is open at the block top face</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F1/106" definition-exists="false" ipc-concordant="F02F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a closed deck, i.e. the water jacket is not open at the block top face</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/108" definition-exists="true" ipc-concordant="F02F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Siamese-type cylinders, i.e. cylinders cast together</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/12" definition-exists="true" ipc-concordant="F02F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing corrosion of liquid-swept surfaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/14" definition-exists="false" ipc-concordant="F02F1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cylinders with means for directing, guiding or distributing liquid stream</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/16" definition-exists="false" ipc-concordant="F02F1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cylinder liners of wet type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/163" definition-exists="false" ipc-concordant="F02F1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liner being midsupported</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/166" definition-exists="false" ipc-concordant="F02F1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spacer decks</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F1/18" definition-exists="false" ipc-concordant="F02F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other cylinders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/183" definition-exists="false" ipc-concordant="F02F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oval or square cylinders</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/186" definition-exists="true" ipc-concordant="F02F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F1/186</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>for use in engines with two or more pistons reciprocating within same cylinder</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/20" definition-exists="false" ipc-concordant="F02F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by constructional features providing for lubrication</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/22" definition-exists="false" ipc-concordant="F02F1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by having ports in cylinder wall for scavenging or charging</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F1/24" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cylinder heads</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F1/241" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to pent roof shape of the combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/242" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of spark plugs or injectors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/243" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cylinder heads and inlet or exhaust manifolds integrally cast together</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F1/244" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of valve stems in cylinder heads</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F1/245" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve stems being orientated at an angle with the cylinder axis</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02F1/246" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and orientated radially from the combustion chamber surface</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F1/247" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the valve stems being orientated in parallel with the cylinder axis</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F1/248" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods for avoiding thermal stress-induced cracks in the zone between valve seat openings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F1/249" definition-exists="false" ipc-concordant="F02F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/249</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with flame plate, e.g. insert in the cylinder head used as a thermal insulation between cylinder head and combustion chamber</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/26" definition-exists="false" ipc-concordant="F02F1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having cooling means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/28" definition-exists="false" ipc-concordant="F02F1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for air cooling</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/30" definition-exists="false" ipc-concordant="F02F1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Finned cylinder heads</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02F1/305" definition-exists="false" ipc-concordant="F02F1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the cylinder heads being of side valve type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02F1/32" definition-exists="false" ipc-concordant="F02F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the cylinder heads being of overhead valve type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F02F1/34" definition-exists="false" ipc-concordant="F02F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F1/34</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>with means for directing or distributing cooling medium&#160;</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/36" definition-exists="false" ipc-concordant="F02F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for liquid cooling</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/365" definition-exists="false" ipc-concordant="F02F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the cylinder heads being of side valve type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/38" definition-exists="false" ipc-concordant="F02F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the cylinder heads being of overhead valve type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/40" definition-exists="false" ipc-concordant="F02F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F1/40</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>cylinder heads with means for directing, guiding, or distributing liquid stream&#160;</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F1/42" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape or arrangement of intake or exhaust channels in cylinder heads</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F1/4207" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/4207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements with one conduit connected with two valves; Arrangements connecting one valve with two conduits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/4214" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for four or more valves per cylinder</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/4221" definition-exists="true" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F1/4221</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>particularly for three or more inlet valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/4228" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F1/4228</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Helically-shaped channels&#160; </text><reference><text>imparting a rotation to the charge in the cylinder <class-ref scheme="cpc">F02B31/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/4235" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of intake channels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/4242" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a partition wall inside the channel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/425" definition-exists="true" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a separate deviation element inside the channel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/4257" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an intake liner</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/4264" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of exhaust channels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/4271" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an exhaust liner</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="F02F1/4278" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2001/4278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Exhaust collectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F1/4285" definition-exists="false" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of both intake and exhaust channel</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F1/4292" definition-exists="true" ipc-concordant="F02F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F1/4292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with liners </text><reference><text><class-ref scheme="cpc">F02F1/4257</class-ref>, <class-ref scheme="cpc">F02F1/4271</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02F3/00" definition-exists="true" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F3/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Pistons&#160;</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F3/0007" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2003/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Monolithic pistons; One piece constructions; Casting of pistons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/0015" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multi-part pistons</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/0023" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the parts being bolted or screwed together</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/003" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the parts being connected by casting, brazing, welding or clamping</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F3/0038" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2003/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by brazing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F3/0046" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2003/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by crimping</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F3/0053" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2003/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by soldering</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F3/0061" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2003/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by welding</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/0069" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the crown and skirt being interconnected by the gudgeon pin</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/0076" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the inside of the pistons being provided with ribs or fins</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/0084" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the pistons being constructed from specific materials</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/0092" definition-exists="false" ipc-concordant="F02F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being steel-plate</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/02" definition-exists="false" ipc-concordant="F02F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02F3/02</classification-symbol><class-title date-revised="2017-05-01"><title-part><text>having means for accommodating or controlling heat expansion</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/022" definition-exists="false" ipc-concordant="F02F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval </text><reference><text><class-ref scheme="cpc">F02F3/025</class-ref>, <class-ref scheme="cpc">F02F3/027</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/025" definition-exists="false" ipc-concordant="F02F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having circumferentially slotted piston skirts, e.g. T-slots</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/027" definition-exists="false" ipc-concordant="F02F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the skirt wall having cavities</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/04" definition-exists="false" ipc-concordant="F02F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having expansion-controlling inserts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/042" definition-exists="false" ipc-concordant="F02F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the inserts consisting of reinforcements in the skirt interconnecting separate wall parts, e.g. rods or strips</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/045" definition-exists="false" ipc-concordant="F02F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the inserts being located in the crown</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/047" definition-exists="false" ipc-concordant="F02F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the inserts being located around the gudgeon pin bearings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/06" definition-exists="false" ipc-concordant="F02F3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inserts having bimetallic effect</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/08" definition-exists="false" ipc-concordant="F02F3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inserts being ring-shaped</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/10" definition-exists="false" ipc-concordant="F02F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having surface coverings </text><reference><text><class-ref scheme="cpc">F02F3/02</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/105" definition-exists="false" ipc-concordant="F02F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the coverings forming a double skirt</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/12" definition-exists="false" ipc-concordant="F02F3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on piston heads</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/14" definition-exists="false" ipc-concordant="F02F3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>within combustion chambers</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/16" definition-exists="true" ipc-concordant="F02F3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having cooling means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/18" definition-exists="false" ipc-concordant="F02F3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means being a liquid or solid coolant, e.g. sodium, in a closed chamber in piston</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/20" definition-exists="false" ipc-concordant="F02F3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the means being a fluid flowing through or along piston</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F3/22" definition-exists="true" ipc-concordant="F02F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the fluid being liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F02F3/225" definition-exists="false" ipc-concordant="F02F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid being directed into blind holes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/24" definition-exists="false" ipc-concordant="F02F3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/26" definition-exists="false" ipc-concordant="F02F3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having combustion chamber in piston head </text><reference><text>the surface thereof being covered <class-ref scheme="cpc">F02F3/14</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F3/28" definition-exists="false" ipc-concordant="F02F3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other pistons with specially-shaped head</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F3/285" definition-exists="false" ipc-concordant="F02F3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F3/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the head being provided with an insert located in or on the combustion-gas-swept surface</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02F5/00" definition-exists="true" ipc-concordant="F02F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Piston rings, e.g. associated with piston crown </text><CPC-specific-text><reference><text>not used <u>see</u> <class-ref scheme="cpc">F16J9/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02F7/00" definition-exists="true" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F7/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Casings, e.g. crankcases </text><CPC-specific-text><text>or frames</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0002" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cylinder arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0004" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcases of one-cylinder engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0007" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcases of engines with cylinders in line</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0009" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcases of opposed piston engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0012" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcases of V-engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0014" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcases of W-, deldic, or quadratic engines, or the like</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0017" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcases of radial engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0019" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cylinders and crankshaft not in one plane (deaxation)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0021" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0024" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Casings for larger engines</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F02F7/0026" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Casings for horizontal engines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0029" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Space-frames</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0031" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction kit principle (modular engines)</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0034" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Built from sheet material and welded casings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0036" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Casings for two-stroke engines with scavenging conduits</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0039" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Casings for small engines, especially with crankcase pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F7/0041" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fixing Bolts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0043" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements of mechanical drive elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0046" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape of casings adapted to facilitate fitting or dismantling of engine parts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0048" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tunnel-type frames</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0051" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankcase pump engines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0053" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crankshaft bearings fitted in the crankcase</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F7/0056" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using bearing beams, i.e. bearings interconnected by a beam or multiple beams</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0058" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>F02F7/0058</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>Longitudinally or transversely separable crankcases</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/006" definition-exists="true" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F7/006</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Camshaft or pushrod housings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F7/0063" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head bolts; Arrangements of cylinder head bolts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0065" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0068" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adaptations for other accessories</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/007" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adaptations for cooling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0073" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adaptations for fitting the engine, e.g. front-plates or bell-housings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F7/0075" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Front covers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F02F7/0078" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Covers for belt transmissions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/008" definition-exists="true" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F7/008</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Sound insulation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0082" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting of engine casings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0085" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials for constructing engines or their parts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F02F7/0087" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ceramic materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F7/009" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hypereutectic aluminum, e.g. aluminum alloys with high SI content</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F7/0092" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transparent materials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F7/0095" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F7/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructing engine casings </text><reference><text>welded casings <class-ref scheme="cpc">F02F7/0034</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F7/0097" definition-exists="false" ipc-concordant="F02F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2007/0097</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for large diesel engines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F02F11/00" definition-exists="true" ipc-concordant="F02F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F02F11/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Arrangements of sealings in combustion engines&#160; </text><reference><text>piston rings&#160; </text><CPC-specific-text><text><class-ref scheme="cpc">F16J9/00</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F11/002" definition-exists="false" ipc-concordant="F02F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F11/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving cylinder heads</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F11/005" definition-exists="false" ipc-concordant="F02F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving cylinder liners</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F02F11/007" definition-exists="false" ipc-concordant="F02F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F11/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving rotary applications</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F02F200/00" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F02F200/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacturing</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F200/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Riveting</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F200/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forging of engine parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F200/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casting </text><reference><text>casting of pistons <class-ref scheme="cpc">F02F2003/0007</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F02F200/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a lost model, e.g. foam casting</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F02F200/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F02F2200/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using wrought materials, e.g. wrought steels</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>