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: 69 Class Title: LEATHER MANUFACTURES Subclass Subclass Number Title 1 MACHINES 1.5 .Belt-stretching 3 .Horse collar shaping 4 .Horse collar stuffing 17 .Strap-finishing 2 .Cutting and/or impressing 6 .Rounding 6.5 .Roughing 7 .Seam-pressing 7.3 .Pounding 7.5 .Searing 7.7 .Edge-finishing 8 .Forming and pressing 9 .Skiving or splitting 9.1 ..Evening and grading 9.3 ..Combined or plural diverse 9.5 ..Rotary tubular knife 10 ..Belt knife 16 ..Rotary disk knife 15 ..Reciprocating knife 11 ..Fixed knife 12 ...Reciprocating feed 13 ...Roller feed 23 .Fur treatment 24 ..Coarse hair-removing 25 ...Clipping 26 ...Plucking 27 ..Fur-orienting or smoothing 28 ..With fluid 29 .Fluid-treating apparatus 30 ..Rotary drum 31 ..Liquor agitation 32 ..With hide, skin or leather moving means 33 .Hide folding, flexing, suppling or crumpling 34 ..Staking 35 ..Boarding 36 .Band-type knife 37 .Rotary tool 38 ..With tool grinder or cleaner 39 ..Rotating about vertical axis, horizontal work support 40 ..With additional translating motion during treatment 41 ..Belt-type work support 42 ..Cylinder work support 43 ...Smooth roll only 44 ..Moving work support 45 .Pivoted tool 46 .Translating tool 47 .Moving work support 48 .Presses 19 WORK STRETCHER OR HOLDER 19.1 .Stretcher 19.2 ..Cased hide or skin typee 19.3 ..With adjustable tensioning means 20 TOOLS 21 PROCESSES 21.5 .Skiving or splitting 22 .Fur