US PATENT SUBCLASS 280 / 798
.~.~.~ Longitudinal frame member is tubular

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

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
781  DF  .~.~ Specific vehicle frame {17}
798.~.~.~ Longitudinal frame member is tubular

DEFINITION

Classification: 280/798

Longitudinal frame member is tubular:

(under subclass 781) Apparatus having a longitudinal frame member which is circular or oval shaped in cross section.