Anti-spring fatigue firearm magazine
US10690427B1 · kind B1 · utility
5Cited by
1References
18Claims
0Family size
Inventor
Key dates
| Filing date | Dec 6, 2019 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Dec 6, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A9/67
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An anti-spring fatigue firearm magazine incorporates a lower magazine sleeve that can be positioned into an extended configuration relative to the main magazine body in order to reduce or eliminate spring fatigue from extended storage while fully loaded with ammunition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.