IPC Subgroup
G02C 3/02 Arrangements for supporting by headgear
Introduced: September 1968
Last revised: January 2006
Full Title
Special supporting arrangement for lens assemblies or monocles > Arrangements for supporting by headgear
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES