US PATENT SUBCLASS 188 / 353
.~.~.~ With hydraulic lock

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
151 R  DF  .~ Fluid pressure {4}
152  DF  .~.~ Road vehicle {13}
353.~.~.~ With hydraulic lock

DEFINITION

Classification: 188/353

(under subclass 152) Device including means to trap fluid in the brake system to hold the brakes applied.

SEE OR SEARCH THIS CLASS, SUBCLASS:

265, for brake lock means, per se.

SEE OR SEARCH CLASS

303, Fluid-Pressure and Analogous Brake Systems ,

89, for brake system lock means, per se.