US PATENT SUBCLASS 171 / 64
.~ With underground stalk or root severing

Current as of: June, 1999
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171 /   HD   UNEARTHING PLANTS OR BURIED OBJECTS

63  DF  STONE GATHERING AND/OR UNEARTHING BY IMPELLING ABOVE-GROUND PLANT OR OBJECT PORTION {2}
64.~ With underground stalk or root severing

DEFINITION

Classification: 171/64

(under subclass 63) Apparatus which includes a means which extends under the earth's surface to cut, tear or break the root portions of a plant.

(1) Note. The root cutter or breaker may be a portion of the above-ground impeller or beater.