IPC Main Group
G02B 3/00 Simple or compound lenses
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
Scope Notes
Application references: Spectacle lenses or contact lenses for the eyes
Related Keywords
optical LENS(ES)
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open