Patents
US 12270622 B1: Firearm magazine with shoulder retention
- Granted
- 2025-04-08
- Filed
- 2024-01-17 application 18415020
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An adjustable insert for a firearm magazine can include: a contact surface to contact a cartridge shoulder; and an engagement interface positioned on a mating surface, the engagement interface being engageable with a portion of the firearm magazine, wherein the mating surface is positioned perpendicular to the contact surface; and wherein the engagement interface includes a predetermined adjustment resolution for incrementally adjusting the adjustable insert forward and backward along a plane parallel to a longitudinal axis of the firearm magazine to accommodate multiple sizes of cartridges.
Source: PVGPATDIS, file of 2026-04-10 (ipg250408.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 |
|---|---|---|---|---|
| Robert G. Maughan | Kaysville, UT | 5 | PVGPATDIS, file of 2026-04-10 | |
| Ryan D. Cook | Morgan, UT | 11 | 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 | F41A9/71 | 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 |
|---|---|---|---|---|---|
| 2024-01-17 | Assignment Assignment of assignor's interest | COOK, RYAN D signed 2024-01-15 MAUGHAN, ROBERT G signed 2024-01-15 | BROWNING MORGAN, UT | 66151/620 | 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.