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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="B64G" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B64G</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>COSMONAUTICS</text></title-part><title-part><text>VEHICLES OR EQUIPMENT THEREFOR </text><reference><text>apparatus for, or methods of, winning materials from extraterrestrial sources <class-ref scheme="cpc">E21C51/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u> covers</u> only vehicles, equipment or the like, which are specially adapted for cosmonautics.</note-paragraph><note-paragraph>This subclass <u> does not cover</u> vehicles and equipment applicable to both cosmonautics and aeronautics, which are covered by the appropriate aeronautical subclasses of class <class-ref scheme="cpc">B64</class-ref>.</note-paragraph><note-paragraph>In this subclass, the following term is used with the meaning indicated:<subnote type="bullet"><note-paragraph>&quot;cosmonautics&quot; includes all transport outside the earth&apos;s atmosphere, and thus includes artificial earth satellites, and interplanetary and interstellar travel.</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B64G1/00" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B64G1/00" definition-exists="true" ipc-concordant="B64G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cosmonautic vehicles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B64G1/002" definition-exists="true" ipc-concordant="B64G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Launch systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/005" definition-exists="true" ipc-concordant="B64G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Air launch</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="B64G1/007" definition-exists="true" ipc-concordant="B64G1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Orbit transfer</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="B64G1/10" definition-exists="true" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Artificial satellites</text></title-part><title-part><text>Systems of such satellites</text></title-part><title-part><text>Interplanetary vehicles </text><reference><text>space shuttles <class-ref scheme="cpc">B64G1/14</class-ref>; radio transmission systems using satellites <class-ref scheme="cpc">H04B7/185</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/1007" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/1007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Communications satellites </text><reference><text>communications aspects <class-ref scheme="cpc">H04B7/185</class-ref></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="B64G1/1014" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/1014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Navigation satellites </text><reference><text>navigation systems <class-ref scheme="cpc">G01S5/145</class-ref></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="B64G1/1021" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/1021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Earth observation satellites</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B64G1/1028" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using optical means for mapping, surveying or detection, e.g. of intelligence</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="B64G1/1035" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using radar for mapping, surveying or detection, e.g. of intelligence</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="B64G1/1042" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specifically adapted for meteorology</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="B64G1/105" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Space science</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B64G1/1057" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specifically adapted for astronomy</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="B64G1/1064" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specifically adapted for interplanetary, solar or interstellar exploration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B64G1/1071" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planetary landers intended for the exploration of the surface of planets, moons or comets</text></CPC-specific-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="B64G1/1078" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/1078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Maintenance satellites</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="B64G1/1085" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Swarms and constellations</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="B64G1/1092" definition-exists="false" ipc-concordant="B64G1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/1092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special features of modular spacecraft systems</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="B64G1/12" definition-exists="true" ipc-concordant="B64G1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>manned</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B64G1/14" definition-exists="true" ipc-concordant="B64G1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Space shuttles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B64G1/16" definition-exists="false" ipc-concordant="B64G1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B64G1/16</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Extraterrestrial cars </text><reference><text>land vehicle aspects <class-ref scheme="cpc">B60</class-ref>&#160;-&#160;<class-ref scheme="cpc">B62</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="B64G1/22" definition-exists="false" ipc-concordant="B64G1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/222" definition-exists="false" ipc-concordant="B64G1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Appendage deployment mechanisms</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="B64G1/224" definition-exists="false" ipc-concordant="B64G1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inflatable space structures</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="B64G1/226" definition-exists="false" ipc-concordant="B64G1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special coatings for spacecraft</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="B64G1/228" definition-exists="false" ipc-concordant="B64G1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Damping of high-frequency vibration effects on spacecraft elements, e.g. by using acoustic vibration dampers</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="B64G1/24" definition-exists="true" ipc-concordant="B64G1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>B64G1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guiding or controlling apparatus, e.g. for attitude control </text><reference><text>jet-propulsion plants <class-ref scheme="cpc">F02K</class-ref>; navigation or navigational instruments, <u>see</u> the relevant subclass, e.g. <class-ref scheme="cpc">G01C</class-ref>; automatic pilots <class-ref scheme="cpc">G05D1/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/242" definition-exists="true" ipc-concordant="B64G1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Orbits and trajectories</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="B64G1/244" definition-exists="false" ipc-concordant="B64G1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>B64G1/244</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>Attitude control</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="B64G1/245" definition-exists="false" ipc-concordant="B64G1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>B64G2001/245</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>Attitude control algorithms for spacecraft attitude control</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="B64G1/247" definition-exists="false" ipc-concordant="B64G1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Advanced control concepts for autonomous, robotic spacecraft, e.g. by using artificial intelligence, neural networks or autonomous agents</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="B64G1/26" definition-exists="true" ipc-concordant="B64G1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using jets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/28" definition-exists="false" ipc-concordant="B64G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using inertia or gyro effect</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/281" definition-exists="false" ipc-concordant="B64G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spin-stabilised spacecraft</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="B64G1/283" definition-exists="false" ipc-concordant="B64G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using reaction wheels</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="B64G1/285" definition-exists="false" ipc-concordant="B64G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using momentum wheels</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="B64G1/286" definition-exists="false" ipc-concordant="B64G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using control momentum gyroscopes (CMGs)</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="B64G1/288" definition-exists="false" ipc-concordant="B64G1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using gyroscopes as attitude sensors</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="B64G1/32" definition-exists="false" ipc-concordant="B64G1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using earth&apos;s magnetic field</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/34" definition-exists="false" ipc-concordant="B64G1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gravity gradient</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/36" definition-exists="true" ipc-concordant="B64G1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using sensors, e.g. sun-sensors, horizon sensors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/361" definition-exists="false" ipc-concordant="B64G1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using star sensors</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="B64G1/363" definition-exists="false" ipc-concordant="B64G1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using sun sensors</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="B64G1/365" definition-exists="false" ipc-concordant="B64G1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using horizon or Earth sensors</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="B64G1/366" definition-exists="false" ipc-concordant="B64G1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetometers</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="B64G1/368" definition-exists="false" ipc-concordant="B64G1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using gravimeters</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="B64G1/38" definition-exists="false" ipc-concordant="B64G1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>damping of oscillations, e.g. nutation dampers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/40" definition-exists="true" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>B64G1/40</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Arrangements or adaptations of propulsion systems&#160; </text><reference><text>propulsion plants <u>per se</u>, see the relevant subclasses, e.g. <class-ref scheme="cpc">F02K</class-ref>, <class-ref scheme="cpc">F03H</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/401" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/401</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid propellant rocket engines </text><reference><text><u>per se</u> <class-ref scheme="cpc">F02K9/42</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="B64G1/402" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Propellant tanks; Feeding propellants </text><reference><text>in general <class-ref scheme="cpc">F02K9/44</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="B64G1/403" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solid propellant rocket engines </text><reference><text><u>per se</u> <class-ref scheme="cpc">F02K9/08</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/404" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hybrid rocket engines </text><reference><text><u>per se</u> <class-ref scheme="cpc">F02K9/72</class-ref></text></reference></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="B64G1/405" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ion or plasma engines </text><reference><text><u>per se</u> <class-ref scheme="cpc">F03H1/00</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="B64G1/406" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arcjets and other resistojets</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="B64G1/407" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solar sailing (includes also attitude control using solar sailing)</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="B64G1/408" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nuclear spacecraft propulsion</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="B64G1/409" definition-exists="false" ipc-concordant="B64G1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Unconventional spacecraft propulsion systems</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="B64G1/42" definition-exists="true" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements or adaptations of power supply systems </text><reference><text>power supply systems <u>per se</u>, <u>see</u> the relevant subclasses</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/421" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-solar power generation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/422" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nuclear power generation</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="B64G1/423" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fuel cells</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="B64G1/425" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Power storage</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/426" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flywheels</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="B64G1/427" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal power storage</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="B64G1/428" definition-exists="false" ipc-concordant="B64G1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Power distribution and management</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="B64G1/44" definition-exists="false" ipc-concordant="B64G1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using radiation, e.g. deployable solar arrays </text><reference><text>solar cells <u>per se</u> <class-ref scheme="cpc">H01L31/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/443" definition-exists="false" ipc-concordant="B64G1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Photovoltaic cell arrays</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="B64G1/446" definition-exists="false" ipc-concordant="B64G1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal solar power generation</text></CPC-specific-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="B64G1/46" definition-exists="false" ipc-concordant="B64G1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements or adaptations of devices for control of environment or living conditions </text><reference><text>space suits <class-ref scheme="cpc">B64G6/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/48" definition-exists="false" ipc-concordant="B64G1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for treatment of the atmosphere </text><reference><text><class-ref scheme="cpc">B64G1/50</class-ref> takes precedence; air conditioning in general <class-ref scheme="cpc">F24F</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/50" definition-exists="false" ipc-concordant="B64G1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for temperature control </text><reference><text>temperature control in general <class-ref scheme="cpc">G05D23/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/503" definition-exists="false" ipc-concordant="B64G1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/503</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiator panels</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="B64G1/506" definition-exists="false" ipc-concordant="B64G1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/506</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat pipes</text></CPC-specific-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="B64G1/52" definition-exists="false" ipc-concordant="B64G1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Protection, safety or emergency devices</text></title-part><title-part><text>Survival aids </text><reference><text>life-saving in general <class-ref scheme="cpc">A62</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B64G1/525" definition-exists="false" ipc-concordant="B64G1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/525</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Survival aids</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="B64G1/54" definition-exists="false" ipc-concordant="B64G1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Protection against radiation </text><reference><text>against radiation in general <class-ref scheme="cpc">G21F</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B64G1/543" definition-exists="false" ipc-concordant="B64G1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/543</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>protecting the crew in manned spacecraft</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="B64G1/546" definition-exists="false" ipc-concordant="B64G1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>shielding electronic equipment</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="B64G1/56" definition-exists="false" ipc-concordant="B64G1/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>B64G1/56</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Protection against meteoroids or space debris </text><reference><text>meteoroid or space debris detectors <class-ref scheme="cpc">B64G1/68</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/58" definition-exists="false" ipc-concordant="B64G1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermal protection, e.g. heat shields </text><reference><text>thermal insulation in general <class-ref scheme="cpc">F16L59/00</class-ref>; chemical aspects, <u>see</u> the relevant classes</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/60" definition-exists="false" ipc-concordant="B64G1/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B64G1/60</classification-symbol><class-title date-revised="2017-05-01"><title-part><text>Crew or passenger accommodations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/62" definition-exists="false" ipc-concordant="B64G1/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Systems for re-entry into the earth&apos;s atmosphere</text></title-part><title-part><text>Retarding or landing devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B64G1/64" definition-exists="false" ipc-concordant="B64G1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/641" definition-exists="false" ipc-concordant="B64G1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Interstage or payload connectors</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B64G1/643" definition-exists="false" ipc-concordant="B64G1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2001/643</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dispensers for arranging multiple satellites in a single launcher</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="B64G1/645" definition-exists="false" ipc-concordant="B64G1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/645</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Separators</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="B64G1/646" definition-exists="false" ipc-concordant="B64G1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Docking or rendez-vous systems</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="B64G1/648" definition-exists="false" ipc-concordant="B64G1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G1/648</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tethers</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="B64G1/66" definition-exists="true" ipc-concordant="B64G1/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>B64G1/66</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Arrangements or adaptations of apparatus or instruments, not otherwise provided for </text><reference><text>instruments <u>per se</u>, see the relevant classes, e.g. antennas for use in satellites <class-ref scheme="cpc">H01Q1/28</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B64G1/68" definition-exists="true" ipc-concordant="B64G1/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>B64G1/68</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>of meteoroid or space debris detectors</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B64G3/00" definition-exists="false" ipc-concordant="B64G3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Observing or tracking cosmonautic vehicles </text><reference><text>radio or other waves systems for navigating or tracking <class-ref scheme="cpc">G01S</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B64G4/00" definition-exists="true" ipc-concordant="B64G4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G4/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tools specially adapted for use in space</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B64G4/005" definition-exists="false" ipc-concordant="B64G4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2004/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Robotic manipulator systems for use in space</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="B64G5/00" definition-exists="false" ipc-concordant="B64G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ground equipment for vehicles, e.g. starting towers, fuelling arrangements </text><reference><text><class-ref scheme="cpc">B64G3/00</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B64G5/005" definition-exists="false" ipc-concordant="B64G5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2005/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Systems for launching spacecraft from a platform at sea</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="B64G6/00" definition-exists="true" ipc-concordant="B64G6/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G6/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Space suits</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B64G7/00" definition-exists="true" ipc-concordant="B64G7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulating cosmonautic conditions, e.g. for conditioning crews </text><reference><text>simulators for teaching or training purposes <class-ref scheme="cpc">G09B9/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B64G7/005" definition-exists="false" ipc-concordant="B64G7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B64G2007/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Space simulation vacuum chambers</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="B64G99/00" definition-exists="true" ipc-concordant="B64G99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B64G99/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Subject matter not provided for in other groups of this subclass</text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme>