IPC Subgroup
G04B 19/16 Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
Introduced: September 1968
Last revised: January 2006
Full Title
Indicating the time by visual means > Dials > Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
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