What is CPC F41A3/58?

CPC F41A3/58 is the Cooperative Patent Classification code for “Breakdown breech mechanisms, e.g. for shotguns.”

How many patents are filed under CPC F41A3/58 (Breakdown breech mechanisms, e.g. for shotguns)?

Our database includes 33 publications tagged with this CPC code.

Publication counts under this code: 2 in 2022 vs 2 in 2023 (latest complete years).

Breakdown breech mechanisms, e.g. for shotguns · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F41A3/58
Official title	Breakdown breech mechanisms, e.g. for shotguns
Display label	Breakdown breech mechanisms, e.g. for shotguns
Total patents	33

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC F41A3/58?: CPC F41A3/58 is the Cooperative Patent Classification code for “Breakdown breech mechanisms, e.g. for shotguns.”
How many patents are filed under CPC F41A3/58 (Breakdown breech mechanisms, e.g. for shotguns)?: Our database includes 33 publications tagged with this CPC code.
Is patent activity under CPC F41A3/58 growing?: Publication counts under this code: 2 in 2022 vs 2 in 2023 (latest complete years).