Eyeglass frame adapted for the removal and insertion of lenses
US7163289B2 · kind B2 · utility
24Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2005 |
| Grant date | Jan 16, 2007 |
| Priority date | — |
| Expiry date | Feb 3, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C1/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention provides for making a cam arm with a wave-shaped or curved portion adapted to fit within a recess on the top of the upper closure block of the frame so that the frame eyewire is securely closed in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.