Protective window for optical sight
US6169628A · kind A · utility
7Cited by
47References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1996 |
| Grant date | Jan 2, 2001 |
| Priority date | — |
| Expiry date | Oct 31, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention comprises a protective window for an optical sight. In accordance with one embodiment of the invention, an optical sight (20) may comprise an optical component (182, 300) transmitting an image of a scene. A protective window (180, 430) may be disposed approximate to an internal side of the optical component (180, 300) to obstruct dirt from contacting the internal side of the optical component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.