Barrels or gun tubes; Muzzle attachments; Barrel mounting means

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

Related Keywords

Child Classifications

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• F41A 21/02 Composite barrels, i.e. barrels having multiple layers, e.g. of different materials
• F41A 21/06 Plural barrels
• F41A 21/1 Insert barrels, i.e. barrels for firing reduced calibre ammunition and being mounted within the normal barrels
• F41A 21/12 Cartridge chambers; Chamber liners
• F41A 21/16 Barrels or gun tubes characterised by the shape of the bore
• F41A 21/2 Barrels or gun tubes characterised by the material
• F41A 21/22 Barrels which have undergone surface treatment, e.g. phosphating
• F41A 21/24 Barrels or gun tubes with fins or ribs, e.g. for cooling
• F41A 21/26 specially adapted for recoil reinforcement, e.g. for training purposes
• F41A 21/28 Gas-expansion chambers; Barrels provided with gas-relieving ports
• F41A 21/3 Silencers
• F41A 21/32 Muzzle attachments or glands
• F41A 21/44 Insulation jackets; Protective jackets
• F41A 21/46 Barrels having means for separating sabots from projectiles
• F41A 21/48 Barrel mounting means, e.g. releasable mountings for replaceable barrels