US PATENT SUBCLASS 303 / 115.4
.~.~.~ Having pump pressure control

Current as of: June, 1999
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303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

121  DF  SPEED-CONTROLLED {44}
113.1  DF  .~ Having a valve system responsive to a wheel lock signal {12}
115.1  DF  .~.~ System controlled by expansible chamber type modulator {4}
115.4.~.~.~ Having pump pressure control {1}
115.5  DF  .~.~.~.~> Pump pressure operates fluid motor

DEFINITION

Classification: 303/115.4

Having pump pressure control:

(under subclass 115.1) Apparatus wherein the motive fluid

valve is governed by a force generated by a fluid pressurizing means.