CPC Subclass Not Allocatable
G09D RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS (calendar blocks B42D5/04; clockwork driven G04B; comprising computing means G06C)
Description
Covers mechanical or analog display devices used for presenting railway timetables, transportation schedules, fare information, and perpetual calendar systems. Includes fixed or adjustable display mechanisms such as flip cards, rotating drums, sliding panels, and similar devices designed for public information purposes in transportation venues. Excludes digital electronic displays and automated ticketing systems, which fall under different classifications.
2 direct subcodes
Child Classifications
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