IPC Subgroup
G02C 5/2 adjustable, e.g. telescopic
Introduced: September 1968
Last revised: January 2006
Full Title
Constructions of non-optical parts > Side-members > adjustable, e.g. telescopic
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES