US PATENT SUBCLASS 111 / 167
.~.~.~.~ Flat

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
149  DF  .~ Furrow opener {7}
157  DF  .~.~ Rotary opener {2}
163  DF  .~.~.~ Disk {3}
167.~.~.~.~ Flat

DEFINITION

Classification: 111/167

Flat:

(under subclass 163) Apparatus wherein the sides of the disk

are substantially planar.