US PATENT SUBCLASS 280 / 146
.~.~.~ Vertically adjustable standard

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

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
143  DF  .~.~ Bolsters and standards {5}
146.~.~.~ Vertically adjustable standard

DEFINITION

Classification: 280/146

(under subclass 143) Bolsters having means to adjust the standard vertically to increase or decrease its length.

SEE OR SEARCH CLASS

105, Railway Rolling Stock,

389+, for telescopic stakes for railway cars.