Eyewear with browbar ventilation and detachable temples
US5969787A · kind A · utility
36Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1998 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Jun 11, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2200/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A ventilated browbar fame and eyewear utilizing the same. The browbar frame is detachably secured to a lens and temples are detachably secured to the browbar frame. The browbar frame includes a plurality of openings to allow air to pass through the browbar frame thereby preventing fogging of the lens. The temples are pivotally attached to the browbar frame to allow for adjustment of the pantoscopic angle of the eyewear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.