US PATENT SUBCLASS 414 / 437
.~ Ground engageable means

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

434  DF  MOTION OR DRAFT RESPONSIVE LOAD HANDLER AND TRANSPORTER {2}
437.~ Ground engageable means {2}
438  DF  .~.~> Lifting leg type
439  DF  .~.~> Wheel operated {3}

DEFINITION

Classification: 414/437

Ground engageable means:

(under subclass 434) Handling devices including means engageable with or anchored to the ground to cause operation of the load handling means upon movement of the vehicle.