IPC Subgroup
G04B 31/016 Plastic bearings
Introduced: January 1980
Last revised: January 2006
Full Title
Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor > characterised by the material used > Plastic bearings
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