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Class Information
Number: 69
Name: Leather manufactures >
Description: This class includes: (1) leather working apparatus and processes, (2) apparatus and processes for production of leather from hides, skins, etc., (3) apparatus and processes for treating fur.

Class Number	Class Name	No. of Patents
69/1	Machines	9
69/36	Band-type knife	0
69/1.5	Belt-stretching	0
69/2	Cutting and/or impressing	11
69/7.7	Edge-finishing	4
69/29	Fluid-treating apparatus	4
69/31	Liquor agitation	4
69/30	Rotary drum	20
69/32	With hide, skin or leather moving means	16
69/8	Forming and pressing	3
69/23	Fur treatment	5
69/24	Coarse hair-removing	4
69/25	Clipping	0
69/26	Plucking	2
69/27	Fur-orienting or smoothing	5
69/28	With fluid	4
69/33	Hide folding, flexing, suppling or crumpling	9
69/35	Boarding	0
69/34	Staking	3
69/3	Horse collar shaping	0
69/4	Horse collar stuffing	0
69/47	Moving work support	9
69/45	Pivoted tool	3
69/7.3	Pounding	0
69/48	Presses	16
69/37	Rotary tool	6
69/41	Belt-type work support	8
69/42	Cylinder work support	7
69/43	Smooth roll only	5
69/44	Moving work support	5
69/39	Rotating about vertical axis, horizontal work support	2
69/40	With additional translating motion during treatment	9
69/38	With tool grinder or cleaner	3
69/6.5	Roughing	29
69/6	Rounding	2
69/7	Seam-pressing	0
69/7.5	Searing	1
69/9	Skiving or splitting	9
69/10	Belt knife	5
69/9.3	Combined or plural diverse	1
69/9.1	Evening and grading	1
69/11	Fixed knife	1
69/12	Reciprocating feed	1
69/13	Roller feed	5
69/15	Reciprocating knife	1
69/16	Rotary disk knife	3
69/9.5	Rotary tubular knife	2
69/17	Strap-finishing	1
69/46	Translating tool	3
69/21	Processes	34
69/22	Fur	19
69/21.5	Skiving or splitting	7
69/20	Tools	6
69/19	Work stretcher or holder	9
69/19.1	Stretcher	15
69/19.2	Cased hide or skin type	8
69/19.3	With adjustable tensioning means	13