US PATENT SUBCLASS 451 / 192
.~.~.~.~.~ 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}
182  DF  .~.~.~ One-way work traverse {6}
190  DF  .~.~.~.~ Opposed abrading tools {2}
192.~.~.~.~.~ Blade sharpener

DEFINITION

Classification: 451/192

Blade sharpener:

(under subclass 190) Abrading machine especially adapted to sharpen the edge of a cutting member.