US PATENT SUBCLASS 172 / 514
.~ Weed turner or trash holddown


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

508  DF  WITH GUARD, SHIELD OR PLANT DIVERTER {3}
514.~ Weed turner or trash holddown {1}
515  DF  .~.~> Spring biased or spring formed {1}


DEFINITION

Classification: 172/514

(under subclass 508) Apparatus comprising means for positioning or holding standing plants (e.g., weeds) so that they may be covered or cut by the operation of an earth working element.

(1) Note. This definition includes means to hold surface material, such as stalks, in position to be cut by an earth working element, but excludes means to change the position of surface material without disturbing the soil. See subclasses

29+.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29+, for devices for shifting surface material without disturbing the soil. See (1) Note above.

SEE OR SEARCH CLASS

111, Planting, 143, for a trash hold down claimed in combination with a planting machine.