US PATENT SUBCLASS 451 / 293
.~.~.~ Blade sharpener

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
259  DF  .~.~ Rotary disk {10}
293.~.~.~ Blade sharpener

DEFINITION

Classification: 451/293

Blade sharpener:

(under subclass 259) Abrading machine especially adapted to sharpen the edge of a cutting member.