US PATENT SUBCLASS 111 / 113
.~.~.~ Power operated

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  DF  .~.~ Rotating or orbiting opener {1}
113.~.~.~ Power operated

DEFINITION

Classification: 111/113

Power operated:

(under subclass 112) Apparatus wherein the opening element derives its rotary or orbiting motion from forces transmitted thereto by means other than or in addition to, the opener's

frictional contact with the soil.

SEE OR SEARCH THIS CLASS, SUBCLASS:

122, for power-operated rotary furrowers associated with liquid or gas soil treatment.

158+, for power-operated rotary furrowers associated with seed depositors.

SEE OR SEARCH CLASS

172, Earth Working,

35+, for power-operated earth working tools, per se.