Spectacle frames for shaped lenses defined by monoformal carrier surfaces
US6776480B2 · kind B2 · utility
1Cited by
23References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2003 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Jan 13, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Spectacles, frames and methods for providing the same are disclosed. The frames have a shape adapted for engagement of wrap-around lenses having significant changes in base curvature in the field of vision of the wearer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.