Cooperative Patent Classification

CPC Definition - Subclass G09D

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Last Updated Version: 2016.11
RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS (calendar blocks B42D 5/04; clockwork driven G04B; comprising computing means G06C)
Definition statement

This place covers:

Railway tables or similar time/fare tables.

Indicating or reading aids for said tables.

Perpetual calendars.

References
Limiting references

This place does not cover:

Calendar blocks in printed format

Informative references

Attention is drawn to the following places, which may be of interest for search:

Indicating positions or identities of vehicles or vehicle trains

Clockwork-driven calendars

comprising computing means

Railway or similar time/fare tables incorporating maps or route diagrams, e.g. railway routing charts

Display devices in general

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)
References
Limiting references

This place does not cover:

railway routing charts

display devices, e.g. railway indicator boards