Means for mounting a prescription lens accessory onto a pair of glasses
US5493348A · kind A · utility
28Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1995 |
| Grant date | Feb 20, 1996 |
| Priority date | — |
| Expiry date | Feb 22, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C9/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A pair of glasses to which an eyeglass accessory is secured by use of at least one T-slot on the pair of glasses and a complementally-shaped T-bar on the eyeglass accessory. In a preferred embodiment the eyeglass accessory allows corrective prescription lenses to be mounted inside a pair of safety glasses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.