1. CPC Sections
  2. CPC Section G
  3. CPC Class G09
  4. CPC Subclass G09D
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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G09D
RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS (calendar blocks B42D 5/04; clockwork driven G04B; comprising computing means G06C) [2020-05]
WARNING

  • 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.
G09D 1/00
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) [2013-01]
G09D 3/00
Perpetual calendars [2013-01]
G09D 3/02
.
with interchangeable members bearing the indicia [2013-01]
G09D 3/04
.
wherein members bearing the indicia are movably mounted in the calendar [2013-01]
G09D 3/06
. .
with rotatable members [2013-01]
G09D 3/08
. . .
of disc form [2013-01]
G09D 3/10
. .
with members in band form [2013-01]
G09D 3/12
.
electrically operated [2013-01]