US PATENT SUBCLASS 280 / 413
.~.~.~.~ Abreast

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
411.1  DF  .~.~ Multiple trailing vehicles {1}
412  DF  .~.~.~ Adjustable position {1}
413.~.~.~.~ Abreast

DEFINITION

Classification: 280/413

(under subclass 412) Devices in which there are at least two trailing vehicles which travel substantially side by side and adjustable means are provided to selectively vary the relative positions of these vehicles longitudinally.