US PATENT SUBCLASS 111 / 112
.~.~ Rotating or orbiting opener

Current as of: June, 1999
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111 /   HD   PLANTING

100  DF  PLANT SETTING {8}
109  DF  .~ Drilling machine (i.e., furrow opener) {3}
112.~.~ Rotating or orbiting opener {1}
113  DF  .~.~.~> Power operated

DEFINITION

Classification: 111/112

Rotating or orbiting opener:

(under subclass 109) Apparatus wherein the opening element turns, spins, or revolves about an axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

121+, for a rotary opener associated with liquid or gas soil treatment.

157+, for a rotary opener associated with seed depositors

SEE OR SEARCH CLASS

172, Earth Working,

518, for a rotating or orbiting earth-working tool, per se.