Patents
US 10371475 B2: Firearm magazine
- Granted
- 2019-08-06
- Filed
- 2017-09-20 application 15710600
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A number of embodiments of a firearm are disclosed where the firearm includes a magazine configured to hold the bolt in an open position when the magazine is empty. In one embodiment, the firearm includes a bolt stop mechanism that moves between a first position where it allows the bolt to cycle between an open position and a closed position and a second position where it holds the bolt in the open position. The magazine is configured to actuate the bolt stop mechanism to the first position when the magazine is empty.
Source: PVGPATDIS, file of 2026-04-10 (ipg190806.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| BROWNING 21 patents | US company or organization | Morgan, UT | BROWNING State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Ryan D. Cook | Morgan, UT | 11 | PVGPATDIS, file of 2026-04-10 | |
| Richard F. Korth | Morgan, UT | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F41A | Functional features or details common to both smallarms and ordnance, e.g. cannons; mountings for smallarms or ordnance | F41A17/36 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2017-09-22 | Assignment Assignment of assignor's interest | COOK, RYAN D. signed 2017-09-21 KORTH, RICHARD F. signed 2017-09-21 MAUGHAN, ROBERT G. signed 2017-09-21 ROUSSEAU, JOSEPH F.N. signed 2017-09-21 | BROWNING MORGAN, UT | 43663/669 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.