(0)G09D:0/0:
IPC6
SECTION G - PHYSICS
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
/ 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
/ 00 Perpetual calendars

3
/ 02 with interchangeable members bearing the indicia  

3
/ 04 wherein members bearing the indicia are movably mounted in the calendar  

3
/ 06 with rotatable members  

3
/ 08 of disc form  

3
/ 10 with members in band form  

3
/ 12 electrically operated