US PATENT SUBCLASS 280 / 493
.~.~.~ Tow bar

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
492  DF  .~.~ Plural articulation axes {1}
493.~.~.~ Tow bar {1}
494  DF  .~.~.~.~> Horizontal pivot with vertical or universal pivots

DEFINITION

Classification: 280/493

(under subclass 492) Devices in which the vehicles are connected together by a rigid draft member which is articulated at each end to one of the vehicles.