US PATENT SUBCLASS 280 / 5.3
.~ Jack-type attachment (i.e., elevating)

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

5.2  DF  STEP OR ABUTMENT ASCENDING TYPE VEHICLE {6}
5.3.~ Jack-type attachment (i.e., elevating)

DEFINITION

Classification: 280/5.3

(under subclass 5.2) Vehicles having attached thereto mechanism adapted to react upon a tread surface to lift or lower the vehicle to or from the step or abutment.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling force,

418+, for miscellaneous vehicles having jacks attached thereto.