Patents
US 8069600 B2: Multi-caliber bolt for a firearm
- Granted
- 2011-12-06
- Filed
- 2008-01-09 application 11971690
- Type
- Utility · 34 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A bolt for a firearm is described that can be used to chamber, extract, and/or eject different cartridges that have different outside rim diameters. In one embodiment, the bolt includes a bolt head that is configured to engage the rearward end of a plurality of different cartridges. The bolt may include an extractor that is configured to engage the rims of the plurality of cartridges and/or an ejector that is configured to bias the cartridge case out of an ejection port of the firearm.
Source: PVGPATDIS, file of 2026-04-10 (ipg111206.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 |
|---|---|---|---|---|
| Joseph F. N. Rousseau | St. George, UT | 1 | PVGPATDIS, file of 2026-04-10 | |
| Peter Sodoma | Layton, UT | 7 | PVGPATDIS, file of 2026-04-10 | |
| David L. Hurst | West Haven, UT | 1 | 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 | F41A3/26 | 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 |
|---|---|---|---|---|---|
| 2008-01-18 | Assignment Assignment of assignor's interest | HURST, DAVID L. signed 2008-01-16 ROUSSEAU, JOSEPH F.N. signed 2008-01-16 SODOMA, PETER signed 2008-01-16 | BROWNING MORGAN, UT | 20387/432 | 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.