IPC Main Group
G04B 25/00 Indicating the time by other means or by combined means
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS
2 direct subcodes
Child Classifications
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- G04B 25/02 by feeling; Clocks or watches for blind persons
- G04B 25/06 by moving figures, e.g. cuckoo-clock, trumpet clock