What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 42 Class Title: FIREARMS Subclass Subclass Number Title 1.01 INDICATORS 1.02 .Magazine shot 1.03 .Single shot, e.g., digital type 1.04 .Hammer position 1.05 .Chamber status 1.06 WITH RECOIL REDUCER 1.07 WITH ADJUSTABLE HEAD SPACE 1.08 FOR DISCHARGING A STUNNING AGENT 1.09 DISGUISHED AS BODY ARTICLE 1.11 BODY BORNE REMOTE OPERATED 1.12 CATTLE SLAUGHTER TYPE 1.13 TRIP, TRAP OR BURGLARY PREVENTION 1.14 UNDERWATER TYPE 1.15 FLARE TYPE GUN 1.16 BILLY CLUB TYPE 52 CANE GUNS 53 PISTOL SWORDS 54 TOY 57 .Ribbon fed 58 .Revolvers 55 .Cannon 2 BREECH LOADING 5 .Spring-motor operated 8 .Breech hinged barrel 9 .Faucet breechblock 10 .Forward-sliding barrel 11 ..Magazine 12 .Side swinging barrel 13 ..Parallel pivot 14 .Sliding breechblock 15 ..Movable chamber 16 ..Rearward 17 ...Magazine 18 ....Box 19 ....Rotary 20 ...Pivoted hammer 21 ....Magazine 22 .....Box 25 ...Extractors 23 ..Vertical mortise 24 ...Magazine 26 .Swinging breechblock 27 ..Movable chamber 28 ..Downward and rearward 29 ...Magazine 30 ..Laterally forward 31 ..Laterally rearward 32 ..Parallel pivot 33 ...Magazine 34 ..Rearward and downward 35 ...Magazine 36 ..Upward and forwardd 37 ...Magazine 38 ..Upward and rearward 39 ...Magazine 39.5 .Movable chamber 40 .Upward-tilting breech 41 ..Firing mechanism 42.01 ...With single actuator 42.02 ....Plural triggers 42.03 ....Single trigger and hammer 43 ...Cocking devices 44 ..Barrel locks 45 ...Hammer cocking 46 ..Extractors 47 ..Ejectors 48 ...Hammer 7 .Grip magazine pistols 6 .Magazine guns 49.01 .Magazines 49.02 ..Adapters or capacity reducers 50 ..Box 51 MUZZLE LOADERS 59 REVOLVERS 60 .Magazine-fed cylinder 61 .Cylinder loaded from muzzle end 62 .Swinging cylinder 63 .Hinged barrel 64 ..Barrel catches 65 .Firing mechanism 66 ..Safety devices 67 ..Cylinder stops 68 .Shell extractors 69.01 FIRING MECHANISM 69.02 .Rearward sliding breech bolt 69.03 ..With pivoted hammer 70.01 SAFETY MECHANISM 70.02 .Magazine operated 70.03 .Shoulder operated 70.04 .Sear trigger lock 70.05 .Sear lock 70.06 .Trigger lock 70.07 .On trigger guard 70.08 .Hammer or firing pin 70.09 .Responsive to particular firing angle 70.11 .Firearm lock 71.01 STOCKS 71.02 .For pistols 72 .Auxiliary 73 .Adjustable 74 .Cushioned 75.01 STOCK OR BARREL CONNECTORS 75.02 .Barrel to receiver 75.03 .Receiver to stock 75.04 .Hinged or pivoted barrel 76.01 BARRELS 76.02 .Materials or coatings 77 .Auxiliary 78 .Rifling 79 .Choke devicess 83 NIPPLES AND GUARDS 84 ELECTRIC APPLIANCES 85 GUN TRIMMINGS 86 BAYONETS 87 MAGAZINE CHARGERS 88 .Packs 89 ..Revolver 90 IMPLEMENTS 93 .Intrenching 94 .Rests 95 .For barrel cleaning 96 .Firearm protectors 97 .Weights and balances 98 .Shell catchers 99 .Magnetic holding devices 100 .Sight devices 101 ..Telescopic 102 ..Ventilated sight 103 ..Including lights 104 .Finger recoil pad 105 .For launching grenades 106 MISCELLANEOUS * ****************************** * DIGEST * ****************************** DIG 1 Release trigger