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.
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363-131 121-55A 14-.5
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Class Number: D15 Class Title: MACHINES NOT ELSEWHERE SPECIFIED Subclass Subclass Number Title 1 ENGINE (1) 2 .Steam type (includes element) 3 .Vehicle 4 ..Boat type (includes element) 5 .Element or attachment 6 ..Carburetor 7 PUMP OR COMPRESSOR 8 .Aquarium type 9 .Compressor 9.1 .Gasoline or oil pump (see Note 11) 9.2 ..Plural 9.3 ..With superposed globe (see Note 12) 10 AGRICULTURAL OR CONSTRUCTION MACHINERY 11 .Plow, tiller or element thereof (includes snow plow, blower) 12 ..Powered 13 .Material spreader (includes sprayer) 14 .Lawnmower 15 ..Rider type (2) 16 ..Reel or sickle type 17 ..Element or attachment 18 ...Handle 19 .Concrete, asphalt, or soil mixer 20 .Compactor 21 .Drilling, mining, or soil treatment (includes element) 22 .Self-propelled 23 ..Tractor type (includes grader or bulldozer) 24 ...Endless track 25 ...With scoop or blade 26 ..Agricultural type 27 .Trailing implement (includes lawn sweeper) 28 .Element or attachment 29 ..Disc, rotary hoe, or tooth 30 ..Cab, e.g., enclosure for tractor, etc. 31 ..Hood or radiator grille 32 ..Scraper blade or loader element 33 ..Frame or body 66 TEXTILE, SEWING, KNITTING AND EMBROIDERING MACHINE 67 .With treadle 68 .Sleeve-type sewing surface 69 .Sewing machine 70 ..With carrying handle 71 ..Kneehole type 72 ..Element or attachment 73 ...Surface ornamentation 74 ...Leg or side frame 75 ...Cover 76 ...Frame, head, or arm 77 .Cutting 78 .Element or attachment 79 REFRIGERATION MACHINERY AND APPARATUS 80 .Ice maker 81 .Freezer or refrigeratorr 82 ..Ice cream type (includes element) 83 ..Top loading 84 ...Opposed doors 85 ..Plural doors and/or drawers 86 ...Three or more 87 ...Superposed 88 ..Vertical hinge alignment 89 .Element or attachment 90 ..Ice tray or mold 91 ..Door 122 MATERIAL WORKING, ABRADING, OR FOUNDING MACHINERY (6) 123 .Deforming or crushing (includes element) (7) 124 .Abrading 125 ..Bench or table mounted 126 ..Element or attachment 127 .Cutting (8) 128 ..Punching or stamping 129 ..Shearing 130 ..Turning, e.g., lathe, etc. 131 ..Milling 132 ..Drilling (9) 133 ..Sawing (includes element) 134 ...Band type 135 .Molding or casting 136 ..Mold or die 137 ...Shoe type, e.g., last, etc. 138 .Element or attachment 139 ..Cutting tool, e.g., drill bit, etc. 140 ..Tool or work holder 141 ..Machine support or frame 142 ..Lever or handle 143 ..Bearing, bushing, or pillow block 144 HEAT TREATMENT, WELDING OR BRAZING (INCLUDES INGOT) 144.1 .Scientific, laboratory, or industrial heating equipment 144.2 .Solid material melting, e.g., solder, etc. 145 PACKAGING OR WRAPPING 146 .Vacuum or heat seal 147 VIBRATOR OR SEPARATOR 148 DRIVE TRAIN (INCLUDES BELT AND PULLEY) 149 .Transmission or speed reducer 150 LUBRICATOR OR OIL COLLECTOR, E.G., DISPENSING, OIL CUP, RESERVOIR, ETC. 151 .Service station type (see Note 13) 152 ..With collecting means 199 MISCELLANEOUS (10)