IPC Main Group
G04B 45/00 Time-pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effect
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 45/02 Time-pieces of which the clockwork is visible partly or wholly
- G04B 45/04 Time-pieces with invisible drive, e.g. with hands attached to rotating glass disc