Ammunition blank and corresponding bolt
US-2026063402-A1 · Mar 5, 2026 · US
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pushing unbelted ammunition from a box magazine on the gun frame into the cartridge chamber
pushing unbelted ammunition from a box magazine on the gun frame into the cartridge chamber · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F41A9/41 |
| Official title | pushing unbelted ammunition from a box magazine on the gun frame into the cartridge chamber |
| Display label | pushing unbelted ammunition from a box magazine on the gun frame into the cartridge chamber |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ammunition blank and corresponding bolt
US-12467727-B2 · Nov 11, 2025 · US
Ammunition blank and corresponding bolt
US-2024230293-A1 · Jul 11, 2024 · US
Bolt for bolt action rifles
US-11105570-B2 · Aug 31, 2021 · US
Bolt for bolt action rifles
US-2020064089-A1 · Feb 27, 2020 · US
Bolt for bolt action rifles
US-10458731-B2 · Oct 29, 2019 · US
Bolt for firearm
US-10012458-B2 · Jul 3, 2018 · US
Bolt for bolt action rifles
US-2018164056-A1 · Jun 14, 2018 · US
Bolt for bolt action rifles
US-9885528-B2 · Feb 6, 2018 · US
Bolt For Firearm
US-2017328656-A1 · Nov 16, 2017 · US
Replaceable feed ramp
US-9562730-B2 · Feb 7, 2017 · US
Bolt for bolt action rifles
US-2016252314-A1 · Sep 1, 2016 · US
Top loading shotgun
US-9400149-B2 · Jul 26, 2016 · US
Replaceable feed ramp
US-9347719-B1 · May 24, 2016 · US
Replaceable feed ramp
US-2016138880-A1 · May 19, 2016 · US
Replaceable feed ramp
US-2015330730-A1 · Nov 19, 2015 · US
Top loading shotgun
US-2015096213-A1 · Apr 9, 2015 · US