US PATENT SUBCLASS 280 / 83
.~.~.~ Vertically adjustable

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

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
82  DF  .~.~ Tongue truck {3}
83.~.~.~ Vertically adjustable

DEFINITION

Classification: 280/83

(under subclass 82) Devices which are adjustable to vary the height of the tongue.

SEE OR SEARCH THIS CLASS, SUBCLASS:

43+, and see the notes thereto.