IPC Subgroup
G02C 5/22 Hinges
Introduced: September 1968
Last revised: January 2006
Full Title
Constructions of non-optical parts > Hinges
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
Related Keywords
HINGES for spectacles