US PATENT SUBCLASS 451 / 372
.~.~.~ Harvester knife

Current as of: June, 1999
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451 /   HD   ABRADING

364  DF  WORK HOLDER {10}
365  DF  .~ Clamp {8}
367  DF  .~.~ Edge tool {8}
372.~.~.~ Harvester knife {1}
373  DF  .~.~.~.~> Suspension

DEFINITION

Classification: 451/372

Harvester knife:

(under subclass 367) Clamping edge tool holder especially adapted for sharpening the cutting edge of a member intended to be used in gathering agricultural produce.

SEE OR SEARCH THIS CLASS, SUBCLASS:

122, 128, 225, 230, 235, 349, and 421, for other inventions related to sharpening an agricultural blade (e.g., a mower or reaper knife).