US PATENT SUBCLASS 254 / 423
.~ Hydraulic or pneumatic

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}
423.~ Hydraulic or pneumatic

DEFINITION

Classification: 254/423

Hydraulic or pneumatic:

(under subclass 418) Device wherein the jack is actuated by means of fluid pressure.