US PATENT SUBCLASS 451 / 224
.~.~.~.~.~ Blade sharpener

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
178  DF  .~.~ Rotary cylinder {11}
212  DF  .~.~.~ Reciprocating work holder {4}
213  DF  .~.~.~.~ Rectilinear {6}
224.~.~.~.~.~ Blade sharpener

DEFINITION

Classification: 451/224

Blade sharpener:

(under subclass 213) Abrading machine especially adapted to sharpen the edge of a cutting member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

202, 203, 206, and 367+, for other reciprocating blade holders.