IPC Main Group
G04B 18/00 Mechanisms for setting frequency
Introduced: January 1980
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
3 direct subcodes
Child Classifications
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- G04B 18/02 Regulator devices; Indexing devices
- G04B 18/04 Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
- G04B 18/08 Component parts or constructional details