| IPC 6 English version |
 F41A 11/00 - F41A 19/70 |
| F41A02100-F41A03506 |
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| SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 41 | WEAPONS |
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| F 41 A | FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE [5] |
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21/ | 00 | Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F 41 A 25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F 41 C 27/06) |
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21/ | 02 | . | Composite barrels, i.e. barrels having multiple layers, e.g. of different materials [5] |
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21/ | 04 | . | . | Barrel liners [5] |
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21/ | 06 | . | Plural barrels [5] |
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21/ | 08 | . | . | Barrel junctions [5] |
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21/ | 10 | . | Insert barrels, i.e. barrels for firing reduced calibre ammunition and being mounted within the normal barrels [5] |
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21/ | 12 | . | Cartridge chambers; Chamber liners (F 41 A 3/74, F 41 A 9/46, F 41 A 21/04 take precedence) [5] |
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21/ | 14 | . | . | Arrangement of cartridge chambers lateral to the barrel axis [5] |
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21/ | 16 | . | Barrels or gun tubes characterised by the shape of the bore [5] |
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21/ | 18 | . | . | Grooves; Rifling [5] |
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21/ | 20 | . | Barrels or gun tubes characterised by the material (F 41 A 21/02 takes precedence) [5] |
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21/ | 22 | . | Barrels which have undergone surface treatment, e.g. phosphating [5] |
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21/ | 24 | . | Barrels or gun tubes with fins or ribs, e.g. for cooling (F 41 G 1/42 takes precedence) [5] |
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21/ | 26 | . | specially adapted for recoil reinforcement, e.g. for training purposes [5] |
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21/ | 28 | . | Gas-expansion chambers; Barrels provided with gas-relieving ports (F 41 A 1/06, F 41 A 13/08 take precedence) [5] |
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21/ | 30 | . | Silencers [5] |
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21/ | 32 | . | Muzzle attachments or glands (F 41 A 21/26, F 41 A 21/30, F 41 A 21/46 take precedence) [5] |
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21/ | 34 | . | . | Flash dampers [5] |
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21/ | 36 | . | . | for recoil reduction (recoil reduction arrangements in general F 41 A 25/00) [5] |
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21/ | 38 | . | . | . | adjustable [5] |
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21/ | 40 | . | . | Chokes for shotguns [5] |
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21/ | 42 | . | . | . | adjustable [5] |
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21/ | 44 | . | Insulation jackets; Protective jackets [5] |
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21/ | 46 | . | Barrels having means for separating sabots from projectiles [5] |
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21/ | 48 | . | Barrel mounting means, e.g. releasable mountings for replaceable barrels [5] |
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23/ | 00 | Gun mountings, e.g. on vehicles; Disposition of guns on vehicles (F 41 A 25/00, F 41 A 27/00 take precedence) |
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23/ | 02 | . | Mountings without wheels [5] |
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23/ | 04 | . | . | Unipods [5] |
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23/ | 06 | . | . | . | adjustable [5] |
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23/ | 08 | . | . | Bipods [5] |
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23/ | 10 | . | . | . | adjustable [5] |
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23/ | 12 | . | . | Tripods [5] |
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23/ | 14 | . | . | . | adjustable [5] |
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23/ | 16 | . | . | Testing mounts [5] |
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23/ | 18 | . | . | Rests for supporting smallarms in non-shooting position (racks for storage A 47 B 81/00; racks in vehicles B 60 R 11/00) [5] |
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23/ | 20 | . | for disappearing guns [5] |
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23/ | 22 | . | . | on board of submarines [5] |
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23/ | 24 | . | Turret gun mountings (feeding, loading or guiding ammunition F 41 A 9/00; mechanical elevating or traversing systems for turret guns F 41 A 27/18) [5] |
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23/ | 26 | . | Mountings for transport only; Loading or unloading arrangements for guns for use with carrier vehicles (F 41 A 23/50 takes precedence) [5] |
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23/ | 28 | . | Wheeled-gun mountings; Endless-track gun mountings [5] |
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23/ | 30 | . | . | the wheels being liftable from the ground for firing [5] |
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23/ | 32 | . | . | with split trails (F 41 A 23/30, F 41 A 23/46 take precedence) [5] |
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23/ | 34 | . | on wheeled or endless-track vehicles [5] |
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23/ | 36 | . | . | on trailers (F 41 A 23/42 takes precedence) [5] |
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23/ | 38 | . | . | on motor-cycles [5] |
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23/ | 40 | . | . | on rail vehicles [5] |
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23/ | 42 | . | . | for rocket throwers [5] |
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23/ | 44 | . | on sledges [5] |
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23/ | 46 | . | Trail spades [5] |
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23/ | 48 | . | . | elastic [5] |
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23/ | 50 | . | Travelling locks; Brakes for holding the gun platform in a fixed position during transport [5] |
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23/ | 52 | . | Base plates for gun mountings [5] |
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23/ | 54 | . | . | for mortars [5] |
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23/ | 56 | . | Arrangements for adjusting the gun platform in the vertical or horizontal position (F 41 A 17/10, F 41 A 17/12 take precedence) [5] |
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23/ | 58 | . | . | Hydraulic jacks [5] |
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23/ | 60 | . | . | Screw-operated jacks [5] |
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25/ | 00 | Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes (recoilless guns F 41 A 1/08) |
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25/ | 02 | . | Fluid-operated systems [5] |
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25/ | 04 | . | . | adjustable [5] |
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25/ | 06 | . | Friction-operated systems [5] |
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25/ | 08 | . | . | adjustable [5] |
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25/ | 10 | . | Spring-operated systems [5] |
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25/ | 12 | . | . | using coil springs [5] |
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25/ | 14 | . | . | . | adjustable [5] |
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25/ | 16 | . | Hybrid systems [5] |
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25/ | 18 | . | . | Hydroelastic systems [5] |
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25/ | 20 | . | . | Hydropneumatic systems [5] |
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25/ | 22 | . | Bearing arrangements for the reciprocating gun-mount or barrel movement [5] |
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25/ | 24 | . | . | using ball or roller bearings [5] |
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25/ | 26 | . | Assembling or dismounting recoil elements or systems [5] |
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27/ | 00 | Gun mountings permitting traversing or elevating movement, e.g. gun carriages [5] |
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27/ | 02 | . | Control systems for preventing interference between the moving gun and the adjacent structure [5] |
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27/ | 04 | . | Scatter-fire arrangements, i.e. means for oscillating guns automatically during firing [5] |
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27/ | 06 | . | Mechanical systems (F 41 A 27/02, F 41 A 27/04, F 41 A 27/30 take precedence) [5] |
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27/ | 08 | . | . | Bearings, e.g. trunnions; Brakes or blocking arrangements [5] |
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27/ | 10 | . | . | . | Bearings for supporting a pivoting gun in a wall, e.g. a turret wall [5] |
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27/ | 12 | . | . | . | Brakes or locks for blocking traversing or elevating gear in a fixed position [5] |
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27/ | 14 | . | . | . | Central-pivot bearings [5] |
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27/ | 16 | . | . | . | using raceway bearings, e.g. for supporting the turret [5] |
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27/ | 18 | . | . | for gun turrets (F 41 A 27/08 takes precedence) [5] |
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27/ | 20 | . | . | . | Drives for turret movements [5] |
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27/ | 22 | . | . | Traversing gear (F 41 A 27/18 takes precedence) [5] |
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27/ | 24 | . | . | Elevating gear (F 41 A 27/18 takes precedence) [5] |
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27/ | 26 | . | Fluid-operated systems (F 41 A 27/02, F 41 A 27/04, F 41 A 27/30 take precedence) [5] |
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27/ | 28 | . | Electrically-operated systems (F 41 A 27/02, F 41 A 27/04, F 41 A 27/30 take precedence) [5] |
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27/ | 30 | . | Stabilisation or compensation systems, e.g. compensating for barrel weight or wind force [5] |
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29/ | 00 | Cleaning or lubricating arrangements (injecting fluids into barrels or cartridge chambers F 41 A 13/04) |
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29/ | 02 | . | Scrapers or cleaning rods [5] |
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29/ | 04 | . | Lubricating, oiling or greasing means, e.g. operating during use [5] |
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31/ | 00 | Testing arrangements (testing mounts F 41 A 23/16) |
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31/ | 02 | . | for checking gun barrels [5] |
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33/ | 00 | Adaptations for training (adaptations of barrels for recoil reinforcement F 41 A 21/26) |
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33/ | 02 | . | Light- or radiation-emitting guns [5] |
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33/ | 04 | . | Acoustical simulation of gun fire, e.g. by pyrotechnic means [5] |
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33/ | 06 | . | Recoil simulators [5] |
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35/ | 00 | Accessories or details not otherwise provided for [5] |
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35/ | 02 | . | Dust- or weather-protection caps or covers (protecting-caps for trigger guards F 41 A 17/54) [5] |
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35/ | 04 | . | . | Muzzle covers [5] |
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35/ | 06 | . | Adaptation of guns to both right and left hand use [5] |
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| F41A 11/00 - F41A 19/70 |  |
