US PATENT SUBCLASS 111 / 164
.~.~.~.~ Plural cooperating disk openers

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}
164.~.~.~.~ Plural cooperating disk openers {2}
165  DF  .~.~.~.~.~> Staggered arrangement
166  DF  .~.~.~.~.~> Scalloped or fluted

DEFINITION

Classification: 111/164

Plural cooperating disk openers:

(under subclass 163) Apparatus including at least two coacting disk elements which operate to open a furrow.

SEE OR SEARCH CLASS

172, Earth Working,

574+, for openers of this general type but which lack a depositing means.