Molds for use in contact lens production
US6444145B1 · kind B1 · utility
29Cited by
14References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 3, 1999 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Sep 3, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/808
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides molds useful for the production of lenses with contoured edges. In particular, the molds permit production of a lens with an edge shaped to avoid its impingement on the lens wearer's conjuntival membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.