US PATENT SUBCLASS 451 / 420
.~.~ Rotary abrading tool


Current as of: June, 1999
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451 /   HD   ABRADING

415  DF  ATTACHMENT {13}
419  DF  .~ To cutting machine to sharpen blade {2}
420.~.~ Rotary abrading tool {2}
421  DF  .~.~.~> Rotary reciprocating tool
422  DF  .~.~.~> Work actuated


DEFINITION

Classification: 451/420

Rotary abrading tool:

(under subclass 419) Machine knife sharpening attachment in which the knife is ground by a tool having only a rotary movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

177+, and see the notes thereto for other rotary tools.

SEE OR SEARCH CLASS

30, Cutlery,

139, for a significantly recited cutlery implement, generally combined with a rotary sharpening means.

69, Leather Manufactures, 38, for a leather dressing rotary cutting tool with a grinding attachment where significant structure of the cutting tool is claimed.