RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
G09D
1/1
G 09 D
RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS (calendar blocks B 42 D 5/04; clockwork-driven G 04 B; comprising computing means G 06 C
)
1
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00
Railway or like time or fare tables; Indicating or reading aids therefor (essentially incorporating maps or route diagrams G 09 B; railway routing charts G 09 B; display devices, e.g. railway indicator boards, G 09 F)
3
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00
Perpetual calendars
3
/
02
•
with interchangeable members bearing the indicia
3
/
04
•
wherein members bearing the indicia are movably mounted in the calendar