Magazine disconnect mechanism
US-12590773-B2 · Mar 31, 2026 · US
locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A17/44 takes precedence)}
locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A17/44 takes precedence)} · 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 | F41A17/36 |
| Official title | locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A17/44 takes precedence)} |
| Display label | locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A17/44 takes precedence)} |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magazine disconnect mechanism
US-2026071838-A1 · Mar 12, 2026 · US
Slide takedown and magazine disconnect assembly for firearms
US-2025389503-A1 · Dec 25, 2025 · US
Rifles comprising a bolt catch device
US-12492875-B2 · Dec 9, 2025 · US
Firearm ejector
US-2025347484-A1 · Nov 13, 2025 · US
Ambidextrous bolt release mechanism for firearm
US-2025341372-A1 · Nov 6, 2025 · US
Hybrid ambidextrous receiver
US-12449214-B2 · Oct 21, 2025 · US
Firearm operating mechanisms and bolt release
US-12305943-B2 · May 20, 2025 · US
Magazine disconnect mechanism
US-2025102256-A1 · Mar 27, 2025 · US
Rifles comprising a bolt catch device
US-2025052530-A1 · Feb 13, 2025 · US
Last Round Hold Open
US-2024418464-A1 · Dec 19, 2024 · US
Ambidextrous bolt release mechanism for firearm
US-2024361093-A1 · Oct 31, 2024 · US
Bolt catch for a firearm
US-12123667-B2 · Oct 22, 2024 · US
Buffered Bolt Catch
US-2024263901-A1 · Aug 8, 2024 · US
Hybrid ambidextrous receiver
US-2024247890-A1 · Jul 25, 2024 · US
Hybrid ambidextrous receiver
US-11927415-B2 · Mar 12, 2024 · US
Firearm operating mechanisms and bolt release
US-2023417505-A1 · Dec 28, 2023 · US
Firearm operating mechanisms and bolt release
US-11796269-B2 · Oct 24, 2023 · US
Hybrid ambidextrous receiver
US-2023143657-A1 · May 11, 2023 · US
Bolt catch for a firearm
US-2023003482-A1 · Jan 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F41A17/36?
- CPC F41A17/36 is the Cooperative Patent Classification code for “locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A17/44 takes precedence)}.”
- How many patents are filed under CPC F41A17/36 (locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A17/44 takes precedence)})?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F41A17/36 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).