G
SECTION G — PHYSICS
INSTRUMENTS
G09
EDUCATION
;
CRYPTOGRAPHY
;
ADVERTISING
;
SEALS
G09D
RAILWAY OR LIKE TIME OR FARE TABLES
;
PERPETUAL CALENDARS
(calendar blocks
Fulltext...
Hierarchy...
Expanded...
B42D 5/04
; clockwork-driven
Fulltext...
Hierarchy...
Expanded...
G04B
; comprising computing means
Fulltext...
Hierarchy...
Expanded...
G06C
)
G09D 1/00
Railway or like time or fare tables
;
Indicating or reading aids therefor
(essentially incorporating maps or route diagrams
Fulltext...
Hierarchy...
Expanded...
G09B
; railway routing charts
Fulltext...
Hierarchy...
Expanded...
G09B
; display devices, e.g. railway indicator boards,
Fulltext...
Hierarchy...
Expanded...
G09F
)
G09D 3/00
Perpetual calendars
G09D 3/02
·
with interchangeable members bearing the indicia
G09D 3/04
·
wherein members bearing the indicia are movably mounted in the calendar
G09D 3/06
· ·
with rotatable members
G09D 3/08
· · ·
of disc form
G09D 3/10
· ·
with members in band form
G09D 3/12
·
electrically operated