G09D

RAILWAY OR LIKE TIME OR FARE TABLES

PERPETUAL CALENDARS calendar blocks B42D5/04; clockwork driven G04B; comprising computing means G06C

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.

G09D1/00

Railway or like time or fare tables

Indicating or reading aids therefor essentially incorporating maps or route diagrams G09B; railway routing charts G09B; display devices, e.g. railway indicator boards G09F

G09D3/00

Perpetual calendars

G09D3/02

with interchangeable members bearing the indicia

G09D3/04

wherein members bearing the indicia are movably mounted in the calendar

G09D3/06

with rotatable members

G09D3/08

of disc form

G09D3/10

with members in band form

G09D3/12

electrically operated