US PATENT SUBCLASS 451 / 206
.~.~.~.~.~ 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}
194  DF  .~.~.~ Opposed abrading tools {5}
199  DF  .~.~.~.~ Reciprocating work holder {3}
206.~.~.~.~.~ Blade sharpener

DEFINITION

Classification: 451/206

Blade sharpener:

(under subclass 199) Abrading machine especially adapted to sharpen the edge of a cutting member.