US PATENT SUBCLASS 303 / 115.3
.~.~.~ Having vacuum motor 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}
115.3.~.~.~ Having vacuum motor control

DEFINITION

Classification: 303/115.3

Having vacuum motor control:

(under subclass 115.1) Apparatus wherein the motive fluid valve is governed by a negative pressure, energy converting component.