IPC Subgroup
G02C 7/1 Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
Introduced: September 1968
Last revised: January 2006
Full Title
Optical parts > Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
Related Keywords
FILTER(S) for spectaclesMIRROR(S) for spectaclesfeatures of spectacle SUN glasses