Corrective lens for rifle scope
US6480339B2 · kind B2 · utility
9Cited by
11References
9Claims
0Family size
Inventor
Key dates
| Filing date | Feb 5, 2001 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | May 4, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A corrective lens for a rifle scope comprising a removable flexible tubular boot attachable to an end of the scope and having a corrective lens suited to the user to eliminate the wearing of eyeglasses while sighting through the scope. The lens can fit within the boot or be threaded onto the boot by means of a lens cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.