US PATENT SUBCLASS 111 / 139
.~ Including trash control accessory

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
139.~ Including trash control accessory {3}
140  DF  .~.~> Coulter
141  DF  .~.~> Dozer (i.e., deflector) {1}
143  DF  .~.~> Having holddown

DEFINITION

Classification: 111/139

Including trash control accessory:

(under subclass 14) Apparatus including a specific device which cuts, breaks up, moves, or removes living vegetation, fallow, stones, clods, residue or the like from the path of the opener.

SEE OR SEARCH CLASS

172, Earth Working,

29, for a means for shifting surface material without soil disturbance.