IPC Subgroup
F41A 21/42 adjustable
Introduced: January 1990
Last revised: January 2006
Full Title
Barrels or gun tubes; Muzzle attachments; Barrel mounting means > Muzzle attachments or glands > Chokes for shotguns > adjustable
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- WEAPONS
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE