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FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
Definition statement
This subclass covers:

This subclass covers those features or details which are considered to be of a kind generally applicable to, or to be concerned with intrinsic functions common to, both smallarms and ordnance. Such features or details are classified in this subclass, even if they are stated to be applied only to smallarms or only to ordnance.

Missile propulsion characterised by the use of explosive or combustible propellant charges (projecting missiles without use of explosive or combustible propellant charge F41B ; launching rockets or torpedoes F41F 3/00 ; missile self-propulsion F42B 15/00)
Definition statement
This group covers:

Propulsion is to be interpreted as the launching process of a missile within the barrel. Emphasis is made on the "characterised by", obviously only documents with characteristic propulsion systems are included in this subclass, since every single firearm launches missiles with a pyrotechnic propellant charge.

Relationship between large subject matter areas

Jet propulsion plants

References relevant to classification in this group
This group does not cover:

Projecting missiles without use of explosive or combustible propellant charge

Launching rockets or torpedoes

Missile self-propulsion

Separately loaded propellant charges

Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion
Definition statement
This subgroup covers:

Multistage propulsion is generated by the firearm and NOT the missile, usually by using multiple sequentially triggered propellant chambers located at different locations along the barrel.

References relevant to classification in this group
This subgroup does not cover:

Multistage rocket-engine plants

Adjusting the range without varying elevation angle or propellant charge data, e.g. by venting a part of the propulsive charge gases, or by adjusting the capacity of the cartridge or combustion chamber {(adjusting the range by using gas-relieving ports in the barrel F41A 21/28)}
Definition statement
This subgroup covers:

Mechanical aspects of the range adjustments.

References relevant to classification in this group
This subgroup does not cover:

Adjusting the range by using gas-relieving ports in the barrel

Gun mountings permitting traversing or elevating movement

Elevating or traversing control systems for guns

Arrangements on projectiles or missiles for range-reducing, range-increasing

Recoilless guns, i.e. guns having propulsion means producing no recoil
Definition statement
This subgroup covers:

Guns with means for eliminating recoil by accelerating a mass in a direction opposite to the missile propulsion direction. Usually through Venturi pipes or by causing a part of the propellant gases to be expelled rearwardly to counteract the recoil forces.

References relevant to classification in this group
This subgroup does not cover:

Stocks specially adapted for recoil reduction

Recoilless rocket launchers adapted to be carried and used by a person, e.g. bazookas

Informative references
Attention is drawn to the following places, which may be of interest for search:

Cartridge ammunition for recoilless guns

a counter projectile being used to balance recoil
Definition statement
This subgroup covers:

The counter projectile can be a disintegrating projectile, e.g. comprising liquid or powder.

Breech mechanisms, e.g. locks
Definition statement
This group covers:

The breech mechanism, i.e. the breech block itself and the mechanism enabling the opening and closing and if applicable the locking of the breech. Furthermore the mounting of the breech block and mechanism is covered.

References relevant to classification in this group
This group does not cover:

Mounting of cartridge ejectors on or within the bolt

Mounting of cartridges ejectors in the breech housing

Safeties for locking the breech-block or bolt in a safety position

Mechanisms or systems operated by propellant charge energy for automatically opening the lock

Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing

Ramming arrangements, the breech-block itself being the rammer

Glossary of terms
In this group, the following terms (or expressions) are used with the meaning indicated:

Breech

The rear part of the bore of a gun barrel, especially the opening that permits the projectile to be inserted at the rear of the bore.

Breech housings or frames; Receivers
Informative references
Attention is drawn to the following places, which may be of interest for search:

Weapons manufactured from plastics:

Bolt buffer or recuperator means
Definition statement
This subgroup covers:

The primary mechanism in automatic and semi-automatic firearms for bringing the bolt or breech block back into closed position after a recoil cycle.

References relevant to classification in this group
This subgroup does not cover:

Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing

Gun mounting permitting recoil or return to battery

Mechanisms or systems operated by propellant charge energy for automatically opening the lock
Definition statement
This group covers:

Mechanisms for opening the lock of semi-automatic and automatic firearms using ONLY the energy provided by the propellant charge during the launching of the projectile, i.e. autonomous systems, independent from an auxiliary source of energy.

References relevant to classification in this group
This group does not cover:

Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing

Internally powered drives for feeding and loading ammunition

Externally power or control systems

Informative references
Attention is drawn to the following places, which may be of interest for search:

Bolt buffers or recuperator means

Gun mounting permitting recoil or return to battery

having an accelerator lever acting on the breech-block or bolt during the opening movement
Informative references
Attention is drawn to the following places, which may be of interest for search:

Delaying breech opening movements

having a movable inertia weight {e.g. for storing energy}
Definition statement
This subgroup covers:

The energy is accumulated during the rearward of the bolt or barrel after the lock has been opened by the recoil or due to gas operation, consequently implying that the stored energy is used for closing the lock

Informative references
Attention is drawn to the following places, which may be of interest for search:

Energy accumulator systems

Delaying breech opening means

Arrangements or systems for bleeding the gas from the barrel (F41A 5/20 to F41A 5/24 take precedence)
References relevant to classification in this group
This subgroup does not cover:

Evacuating combustion gas from barrels

Barrels, gun tubes, muzzle attachments, barrel mounting means

Gas operated mechanisms or systems operated by propellant charge energy for automatically opening the lock using a gas piston arranged concentrically around the barrel

Gas operated mechanisms or systems operated by propellant charge energy for automatically opening the lock by direct action of gas pressure on bolt or locking elements

Energy accumulator systems, i.e. systems for opening the breech-block by energy accumulated during barrel or gas piston recoil
Definition statement
This subgroup covers:

Implies a delayed or staged lock opening movement. The recoil or gas piston movement is accumulated, and the accumulated energy is used in a second stage to open the lock, after partial or full completion of the recoil/piston movement.

References relevant to classification in this group
This subgroup does not cover:

Recoil operated opening with moveable inertia weigth for storing energy

Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers
Definition statement
This group covers:

Mechanisms for automatically cycling a firearm independent of the propellant charge for bringing the moving components back into firing position enabling the choice of firing rate.

References relevant to classification in this group
This group does not cover:

External power or control systems for feeding and loading

Shot velocity control

Feeding or loading of ammunition ({conveying ammunition through pipes by the action of flowing gases B65G 51/025} ; adaptations for feeding or loading missiles from magazines in air guns F41B 11/50); Magazines; Guiding means for the extracting of cartridges (cartridge extractors or ejectors F41A 15/00)
Definition statement
This group covers:

Devices an mechanisms for conveying the ammunition from its storage location or transport unit to the firing position.

References relevant to classification in this group
This group does not cover:

Adaptations for feeding or loading missiles from magazines in air guns

F41B11/02

Cartridge extractors or ejectors

Informative references
Attention is drawn to the following places, which may be of interest for search:

Conveying ammunition through pipes by the action of flowing gases

Glossary of terms
In this group, the following terms (or expressions) are used with the meaning indicated:

Feeding

Devices or mechanisms for sequentially bringing missiles from an external storage (magazine, belt, box) into the gun frame/casing/housing/receiver

Loading

Devices or mechanisms for sequentially bringing missiles into the firing chamber

Ramming

Devices or mechanisms for forcing a projectile into the constriciting area of the chamber or the beginning of the barrel itself

Feeding of unbelted ammunition
Definition statement
This subgroup covers:

Feeding of unconnected cartridges, projectiles or propelling charges one by one or in batches.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Transporting ammunition through pipes by means of fluid medium pressure pneumatically

using endless-chain belts carrying a plurality of ammunition
Definition statement
This subgroup covers:

The endless belt is only used to move UNBELTED ammunition from the storage magazine into the firearm

References relevant to classification in this group
This subgroup does not cover:

Feeding of belted ammunition

Feeding of belted ammunition
Definition statement
This subgroup covers:

Feeding of ammunition strings having cartridges carried by a textile band or by carrier units each holding one cartridge, the carrier units being sequentially connected to each other by connecting elements or connected to each other by belt links, each belt link holding one cartridge and embracing the previous or subsequent cartridge.

References relevant to classification in this group
This subgroup does not cover:

Belt link collectors or catchers

Magazines with belt link collectors and catchers

Informative references
Attention is drawn to the following places, which may be of interest for search:

Feeding of unbelted ammunition with an endless belt conveyer

Feeding of ammunition mounted on solid racks, the racks passing through the gun (Hotchkiss type, Japanese Type 92 HMG)

Glossary of terms
In this subgroup, the following terms (or expressions) are used with the meaning indicated:

Cartridge stripping

removing belt link from the cartridge

Internally-powered drives, i.e. operated by propellant charge energy, e.g. couplings, clutches, energy accumulators
Definition statement
This subgroup covers:

Mechanisms wherein the propellant charge energy is used for particular ammunition loading and feeding.

References relevant to classification in this group
This subgroup does not cover:

Mechanisms or systems operated by propellant charge energy for automatically opening the lock

External power or control systems
Definition statement
This subgroup covers:

Mechanisms wherein an external drive is used for particular ammunition loading and feeding.

References relevant to classification in this group
This subgroup does not cover:

Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing; Drives for externally-powered guns; Remote-controlled gun chargers

Charged-condition indicators, i.e. indicating the presence of a cartridge in the cartridge chamber
References relevant to classification in this group
This subgroup does not cover:

Last round safeties

Magazines having means for indicating the number of cartridges left in the magazine, e.g. last-round indicators

Empty-cartridge-case or belt-link collectors or catchers (F41A 9/81 takes precedence)
References relevant to classification in this group
This subgroup does not cover:

Cartridge stripping means in sprocket transporters

Cartridge stripping means in reciprocating slide transporters

Magazines for belted ammunition having provision for collecting belt links or empty cartridge cases

having means for indicating the number of cartridges left in the magazine, e.g. last-round indicators (last-round safeties F41A 17/40)
References relevant to classification in this group
This subgroup does not cover:

Charge condition indicator

Last round safeties

Assembly or disassembly features; Modular concepts; Articulated or collapsible guns (F41A 3/64 , F41A 19/10 to F41A 19/15 , F41A 21/48 , F41A 25/26 take precedence)
Definition statement
This group covers:

Features and mechanisms and methods for assembling and dissasembling a firearm.

Modular weapon family concepts.

Articulation and collapsing of firearms for the PURPOSE of storage or transport.

References relevant to classification in this group
This group does not cover:

Breakdown breech mechanisms

Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings

Triggers; Trigger mountings

Modular firing mechanism units

Barrel mounting means, e.g. releasable mountings for replaceable barrels

Assembling or dismounting recoil elements or systems

Folding or telescopic stocks or stock parts

Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems
Definition statement
This group covers:

Active systems specially adapted for cooling or heating firearm components, in particular the barrel and the firing chamber.

References relevant to classification in this group
This group does not cover:

Barrels and gun tubes with fins or fins for cooling

Evacuating combustion gas from barrels (F41A 13/10 takes precedence)
References relevant to classification in this group
This subgroup does not cover:

Arrangements or systems for bleeding the gas from the barrel

Blowers or turbines for evacuating or cooling guns, e.g. driven by combustion gas pressure or recoil

Systems for cooling the outer surface of the barrel (F41A 13/10 , F41A 21/24 take precedence)
References relevant to classification in this group
This subgroup does not cover:

Blowers or turbines for evacuating or cooling guns, e.g. driven by combustion gas pressure or recoil

Barrels or gun tubes with fins or ribs, e.g. for cooling

Informative references
Attention is drawn to the following places, which may be of interest for search:

Insulation jackets & protective jackets for barrels

Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun (F41A 9/54 , {F41C 9/08} take precedence;{ Means for removing duds or misfires in rocket throwers F41F 3/058})
Definition statement
This group covers:

Devices, mechanisms or tools for removing a spent cartridge case or a dud from the firing chamber or for unloading a cartridge from the chamber.

References relevant to classification in this group
This group does not cover:

Blowers or turbines for evacuating or cooling guns, e.g. driven by combustion gas pressure or recoil

Barrels or gun tubes with fins or ribs, e.g. for cooling

Means for removing duds or misfires in rocket throwers

Glossary of terms
In this group, the following terms (or expressions) are used with the meaning indicated:

Dud:

Cartridge, or separately loaded projectile or case, remaining stuck in the firing chamber after a misfire

Spent cartridge case:

case remaining after the projectile was launched

Safety arrangements, e.g. safeties
Definition statement
This group covers:

Devices and mechanism covering all aspects of firearm safety, including:

preventing unauthorised use

blocking or rendering ineffective diverse functional parts of the firearm to prevent inadvertent firing

inhibiting firing in a particular direction

preventing cook off or hang fire

preventing release of magazine

last round safeties

Electric or electromechanical safeties (F41A 17/04 , F41A 17/08 take precedence)
Definition statement
This subgroup covers:

Includes electric or electromagnetic means for preventing or enabling the use of a firearm. Also includes the remote control or a firearm, in the sense that a central control instance can block or release the use of the firearm. Also includes remote monitoring of firearm movement and/or usage. Further includes passive, post-incident safety means such as a black box data recording.

References relevant to classification in this group
This subgroup does not cover:

Remote triggering of a firearm

Electric firing mechanisms

Safeties of the combination-lock type

Safeties for inhibiting firing in a specified direction, e.g. at a friendly person or at a protected area

{comprising a transponder}
Definition statement
This subgroup covers:

Includes means for remote weapon control and monitoring.

Double-loading prevention
Definition statement
This subgroup covers:

Features to avoid jamming in the cartridge chamber caused by an attempt to load a second cartridge in an already loaded chamber.

Hang-fire prevention
Glossary of terms
In this subgroup, the following terms (or expressions) are used with the meaning indicated:

Hang fire

an unexpected delay between the triggering of a firearm and the ignition of the propellant

Magazine safeties
References relevant to classification in this group
This subgroup does not cover:

Safety plugs, e.g. for plugging-up cartridge chambers

locking the gun {automatically} in a safety condition when the magazine is empty or removed {(F41A 17/44 takes precedence)}
Definition statement
This subgroup covers:

Last round safety for magazine fed smallarm, the follower of the magazine activating or acting on a gun-locking element such as a bolt or pistol slide. Means for preventing a loaded cartridge to be fired when the magazine is removed from the smallarm.

References relevant to classification in this group
This subgroup does not cover:

Safety plugs, e.g. for plugging-up cartridge chambers

{Magazine mountings, e.g. for} locking the magazine in the gun
References relevant to classification in this group
This subgroup does not cover:

Safety plugs, e.g. for plugging-up cartridge chambers

Last-round safeties (F41A 17/34 takes precedence)
Definition statement
This subgroup covers:

Means for setting an automatic, non-magazine-fed and usually medium or large calibre gun's feeding, ramming, loading and/or firing mechanism into a safe/inactive configuration when the last cartridge is chambered or fired, e.g. in Gatling type guns.

References relevant to classification in this group
This subgroup does not cover:

Locking a smallarm in a safety condition when the magazine is empty or removed

Firing or trigger mechanisms; Cocking mechanisms
Definition statement
This group covers:

Mechanisms or systems for firing, i.e. initiating the ignition of the propellant charge by mechanical, fluid-operated, pyrotechnic, optical or electric means.

Cocking mechanisms, i.e. for bringing mechanical firing means in a pre-tensioned, ready to fire state (cocked).

Further includes means for controlling number of shots fired, firing rate and synchronisation.

Glossary of terms
In this group, the following terms (or expressions) are used with the meaning indicated:

Sear:

the part of the trigger mechanism which holds the hammer or striker back until the correct amount of pressure has been applied to the trigger; at which point the hammer or striker is released to discharge the weapon. The sear may be a separate part or can be a surface incorporated into the trigger

DA

Double action trigger performs the action of cocking during the initial trigger pull movement and releases the hammer or striker at the pressure point

DA/SA

Double action / Single action Double action for first shot and single action for subsequent shots

DAO

Double action onlyDouble action for all shots

SA

Single actiontrigger only performs the action of releasing the hammer or striker

Cocking

bringing mechanical firing means in a pre-tensioned, ready to fire state (cocked)

Burst limiters (F41A 19/67 takes precedence)
Definition statement
This subgroup covers:

Means for allowing a predefined number of of rounds to be fired upon a single trigger action.

References relevant to classification in this group
This subgroup does not cover:

Arrangements for the selection of automatic and semi-automatic fire in bolt action guns having a sliding striker

Arrangements for the selection of automatic and semi-automatic fire in bolt action guns having a hammer

Burst limiters

remote actuated; lanyard actuated
References relevant to classification in this group
This subgroup does not cover:

Remote safing and monitoring of firearms

Hair-trigger mechanisms
Definition statement
This subgroup covers:

A trigger allowing a shooter to have a greatly reduced trigger pull (the resistance of the trigger) while maintaining a degree of safety in the field

with single-trigger firing possibility
Definition statement
This subgroup covers:

One trigger can cause the firing of more than one barrel

Double-trigger arrangements having the possibility of single-trigger actuation
Definition statement
This subgroup covers:

One trigger per barrel is present, but the shooter has the choice of firing each barrel with its dedicated trigger, or both at the same time by actuation of a single trigger (after appropriate setting).

Electric firing mechanisms (F41A 17/10 , F41A 17/12 take precedence)
Definition statement
This subgroup covers:

Means for electrically releasing mechanical firing means or for firing electrical primers in cartridges. Further includes mechanisms where the primer charge is ignited optically, e.g. by a laser or intense light.

References relevant to classification in this group
This subgroup does not cover:

Firing mechanisms with elevation stop

Firing mechanisms with anti-canting safety

Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A 25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C 27/06)
Definition statement
This group covers:

Includes barrels, tubes; attachments and mounting means therefore. The cartridge chamber or firing chamber is an integral part of the barrel, except for, e.g. revolver type guns and certain block action guns.

References relevant to classification in this group
This group does not cover:

Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes

Checking of barrels

Rocket launcher tubes

Composite barrels, i.e. barrels having multiple layers, e.g. of different materials
Informative references
Attention is drawn to the following places, which may be of interest for search:

Manufacture with plastics

Insert barrels, i.e. barrels for firing reduced calibre ammunition and being mounted within the normal barrels
References relevant to classification in this group
This subgroup does not cover:

Adaptations for training

Barrels or gun tubes characterised by the material (F41A 21/02 takes precedence)
References relevant to classification in this group
This subgroup does not cover:

Composite barrels, i.e. barrels having multiple layers, e.g. of different materials

Informative references
Attention is drawn to the following places, which may be of interest for search:

Making rifle and gun barrels

Barrels or gun tubes with fins or ribs, e.g for cooling (F41G 1/42 takes precedence)
References relevant to classification in this group
This subgroup does not cover:

Cooling or heating systems

Tube sights; Bar sights

specially adapted for recoil reinforcement, e.g. for training purposes
Definition statement
This subgroup covers:

Includes blank firing arrangements

Informative references
Attention is drawn to the following places, which may be of interest for search:

Bullet catchers not fixed to a fire arm

Bullet traps in rifle grenades

Silencers
Informative references
Attention is drawn to the following places, which may be of interest for search:

Mountings for muzzle attachments incl. suppressors or silencers

Muzzle attachments or glands (F41A 21/26 , F41A 21/30 , F41A 21/46 take precedence; { for projectile velocity measurements G01P 3/665 , G01P 3/685})
References relevant to classification in this group
This subgroup does not cover:

Barrels specially adapted for recoil reinforcement, e.g. for training purposes

Silencers

Barrels having means for separating sabots from projectiles

Tube sights; Bar sights

Informative references
Attention is drawn to the following places, which may be of interest for search:

Blankfiring attachments

Device using electric or magnetic means for projectile velocity measurements

Device using optical means for projectile velocity measurements

Chokes for shotguns, {e.g. automatic chokes}
Definition statement
This subgroup covers:

media0.jpg

Lampel, Mahrholdt, "Waffenlexikon", 9th edition, DE, M√ľnchen, BLV Verlagsgesellschaft, 1981, S. 56

A: normal choke

B: Schlegelmich choke, constricting choke

C: Nischen , jug or recess choke

D: Glockenchoke, bell choke, diverging choke

E, F: Skeet chokes

Insulation jackets; Protective jackets
Informative references
Attention is drawn to the following places, which may be of interest for search:

see for cooling aspects such as cooling mantles also F41A 13/12

Gun mountings, e.g. on vehicles; Disposition of guns on vehicles (F41A 25/00 , F41A 27/00 take precedence)
Definition statement
This group covers:

All mountings of firearms, fixed or mobile, except for the ones specifically designed for return to battery and the ones permitting traversing or elevating movement (see precedence, F41A 25/00 and F41A 27/00). It includes locking means between gun an mounting, mountings without wheels (conventional mono-, bi- or tripods, test mounts and bench rests), mountings permitting the gun to retract into a hidden position, wheeled mountings (the wheels being mounted directly on the gun), mounted on vehicles, mounts for transport and adjustments means of the platform position.

References relevant to classification in this group
This group does not cover:

Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes

Gun mountings permitting traversing or elevating movement, e.g. gun carriages

Informative references
Attention is drawn to the following places, which may be of interest for search:

Gun mounting on aircraft

Central pivot bearings (for gun mountings)

Testing mounts
Definition statement
This subgroup covers:

Rests holding the firearm so as to enable stabilised shooting, includes both test shooting mounts and shooting rests, i.e. for bench rest shooting

Informative references
Attention is drawn to the following places, which may be of interest for search:

Shooting stands, e.g. for firing hunting rifles from trees

Testing mounts for checking gun barrels

Rests for supporting smallarms in non-shooting position (racks for storage A47B 81/00 ; racks in vehicles {B60R 7/14})
Definition statement
This subgroup covers:

Rests for holding the firearm in a fixed position for displaying, inspecting, adjusting, maintaining, repairing or cleaning of the firearm.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis

Disposition of racks for weapons inside vehicles

For carrying firearms on the body

Key operated safeties

Combination lock safeties

Containers for carrying smallarms, boxes/gun cases

Wheeled-gun mountings; Endless-track gun mountings
Definition statement
This subgroup covers:

The wheels are directly mounted on the gun or gun cradle.

Trail spades
Definition statement
This subgroup covers:

media1.jpg

GB2455651

Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes (recoilless guns F41A 1/08)
Definition statement
This group covers:

Gun mounts permitting travel of the gun from the shooting position into full recoil position along a bearing and returning to battery position, including spring, fluid, friction operated systems as well as hybrids thereof. It further includes bearings and assembly/disassembly features peculiar thereto.

References relevant to classification in this group
This group does not cover:

Recoilless guns, i.e. guns having propulsion means producing no recoil

Gun mountings permitting traversing or elevating movement, e.g. gun carriages
Definition statement
This group covers:

Mechanical aspects of gun mounts permitting supported pointing of the gun for laying the gun, i.e. in the position to fire the gun and hitting the target.

References relevant to classification in this group
This group does not cover:

Monopods

Bipods

Tripods

Aiming means; Laying means

Elevation or traversing control systems for guns

Cleaning or lubricating arrangements (injecting fluids into barrels or cartridge chambers F41A 13/04 ; { ammunition for cleaning purposes F42B 5/24})
References relevant to classification in this group
This group does not cover:

Injecting fluids into barrels or cartridge chambers

Ammunition for cleaning purposes

Informative references
Attention is drawn to the following places, which may be of interest for search:

Cleaning of hollow objects in general

Scrapers or cleaning rods
Definition statement
This subgroup covers:

Includes flexible cleaning devices for gun barrels, i.e. flexible wires or rope.

Lubricating, oiling or greasing means, e.g operating during use
References relevant to classification in this group
This subgroup does not cover:

Projectiles or cartridges for cleaning cooling or lubricating F42B 5/24

Testing arrangements (testing mounts F41A 23/16)
Definition statement
This group covers:

All arrangements, devices, systems for testing the functionality of a firearm, except for testing of sighting, aiming and laying means

References relevant to classification in this group
This group does not cover:

Testing mounts

Checking or testing of ammunition

F41B35/00

Devices for testing or checking of sighting means

Devices for testing or checking of aiming means

Apparatus for testing or checking of laying means

for checking gun barrels
References relevant to classification in this group
This subgroup does not cover:

Devices for testing or checking of sights (parrallelity with the barrel)

Synonyms and Keywords

bore sighting devices

Adaptations for training (adaptations of barrels for recoil reinforcement F41A 21/26); Gun simulators (teaching or practice apparatus for gun-aiming or gun-laying F41G 3/26 ; { shooting games A63F 9/02 ; military simulation G09B 9/003})
Definition statement
This group covers:

Adaptations of firearms for use in training without live ammunition or weapons specially adapted for training and simulation only.

References relevant to classification in this group
This group does not cover:

Shooting or hurling games

Insert barrels

Adaptations of barrels for recoil reinforcement

Teaching or practice apparatus for gun-aiming or gun-laying

Simulators for teaching or training purposesfor military purposes and tactics

Informative references
Attention is drawn to the following places, which may be of interest for search:

Firecrackers

Hand thrown impact-exploded noise makers

Light- or radiation-emitting guns; {Light- or radiation-sensitive guns; Cartridges carrying light emitting sources, e.g. laser}
Definition statement
This subgroup covers:

Includes:

  • separate light producing units fitted in the barrel of an existing gun and
  • externally mounted light beam emitting units

(torch-like)

References relevant to classification in this group
This subgroup does not cover:

Cartridges carrying light emitting sources

Military or tactic simulation systems

Informative references
Attention is drawn to the following places, which may be of interest for search:

Teaching or practice apparatus for gun laying or gun aiming

Active targets transmitting infrared radiation

Infrared hit indicating systems

Glossary of terms
In this subgroup, the following terms (or expressions) are used with the meaning indicated:

MILES: Multiple Integrated Laser Engagement System

Accessories or details not otherwise provided for
Special rules of classification within this subclass

Residual group for F41A 1/00-F41A 33/00, particularly listing common accessories such as dust covers, e.g. ejection port or muzzle covers, or adaptations for ambidextrous use of firearms.

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013