US PATENT SUBCLASS 172 / 509
.~ Fender for deflected earth

Current as of: June, 1999
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172 /   HD   EARTH WORKING

508  DF  WITH GUARD, SHIELD OR PLANT DIVERTER {3}
509.~ Fender for deflected earth {4}
510  DF  .~.~> Rotary
511  DF  .~.~> Perforated or screening type
512  DF  .~.~> Inverted U-shape
513  DF  .~.~> Laterally spaced fenders for inwardly thrown earth

DEFINITION

Classification: 172/509

(under subclass 508) Apparatus comprising means to limit the lateral movement of material thrown out by an earth working element, usually to protect adjacent standing plants from injury.