US PATENT SUBCLASS 69 / 6.5
.~ Roughing


Current as of: June, 1999
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69 /   HD   LEATHER MANUFACTURES

1  DF  MACHINES {22}
6.5.~ Roughing


DEFINITION

Classification: 69/6.5

(under subclass 1) Machines for treating leather or leather articles by cutting or rasping to produce an uneven surface for cementing.

SEE OR SEARCH CLASS

29, Metal Working,

76.1+, for filing devices generally.

157, Wheelwright Machines,

13, for apparatus and processes for treating the outer periphery of a rubber tire casing by a slitting or machine operation which art (in the absence of this subclass) would ordinarily be classified in accord with the particular operation. (The treating of a rubber casing by abrading is classified in Class 451, Abrading).

451, Abrading, for roughening leather with natural abrasive material (e.g., sandpaper, emery cloth, etc.).