US PATENT SUBCLASS 254 / 424
.~ Screw actuated

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

418  DF  VEHICLE ATTACHED JACK {8}
424.~ Screw actuated {1}
425  DF  .~.~> Gear driven

DEFINITION

Classification: 254/424

Screw actuated:

(under subclass 418) Device wherein the jack is actuated by the rotation of a screw threaded rod.