Eyeglasses with detachable lenses
US4799781A · kind A · utility
9Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 1987 |
| Grant date | Jan 24, 1989 |
| Priority date | — |
| Expiry date | Oct 30, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C1/023
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Eyeglasses having lenses mounted in individual sockets and retained therein by hook members partially extending across the lens surfaces, the sockets being connected by a bridge which is vertically slidable and includes hook members movable into and out of engagement with the lens surfaces for easy removal or installation of the lenses into their sockets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.