US PATENT SUBCLASS 280 / 90
.~.~.~.~ Fluid

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

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
771  DF  .~.~ Occupant steered {15}
89  DF  .~.~.~ Checked {2}
90.~.~.~.~ Fluid

DEFINITION

Classification: 280/90

(under subclass 89) Devices in which the checking means comprises a fluid mechanism.

SEE OR SEARCH CLASS

188, Brakes,

266+, for a fluid-resistance brake or dashpot of general utility.