Lens retention system
US12013593B2 · kind B2 · utility
0Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2019 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Feb 1, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2200/08
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A frame for an eyewear comprises a lens opening and a groove surrounding the lens opening. The lens opening may be defined by an upper frame portion, a lower frame portion, a first lateral side portion, and a second lateral side portion of the frame. The groove may interchangeably receive and secure a first lens and a second lens within the lens opening. The first lens may have a different thickness than the second lens. The lens opening may extend across both eyes of the wearer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.