Breech mechanisms, e.g. locks

Introduced: January 1990

Title

Titles differ between systems:

IPC: Breech mechanism, e.g. locks

CPC: Breech mechanisms, e.g. locks

Full titles differ between systems:

IPC:

Breech mechanism, e.g. locks

CPC:

Breech mechanisms, e.g. locks

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Navigate with arrow keys, Enter to open

F41A 3/02 Block action, i.e. the main breech opening movement being transverse to the barrel axis since 1990 IPC+CPC Available in IPC and CPC
F41A 3/12 Bolt action, i.e. the main breech opening movement being parallel to the barrel axis since 1990 IPC+CPC Available in IPC and CPC
F41A 3/58 Breakdown breech mechanisms, e.g. for shotguns since 1990 IPC+CPC Available in IPC and CPC
F41A 3/60 Breech mechanisms for guns having two or more barrels (F41A3/58 takes precedence; for revolving-cannon guns F41F1/10) since 1990 IPC+CPC Available in IPC and CPC
F41A 3/62 using combustion gas pressure for adding to the mechanical locking action, or for delaying breech opening movement since 1990 IPC+CPC Available in IPC and CPC
F41A 3/64 Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings since 1990 IPC+CPC Available in IPC and CPC

Class F41,2013–2023, worldwide · Source: EPO PATSTAT

Class F41,2013–2023, worldwide · Source: EPO PATSTAT