US PATENT SUBCLASS 111 / 140
.~.~ Coulter

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
139  DF  .~ Including trash control accessory {3}
140.~.~ Coulter

DEFINITION

Classification: 111/140

Coulter:

(under subclass 139) Apparatus wherein the trash control accessory includes a device which cuts a vertical slit in the trash or soil to clear and predefine a path for an opener which follows thereafter and which has a vertically extending portion operating in the slit.

SEE OR SEARCH CLASS

172, Earth Working,

165, for the combination of a coulter and an earth-working tool.