US PATENT SUBCLASS 303 / 143
.~.~ With four wheel drive or all wheel drive

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

121  DF  SPEED-CONTROLLED {44}
139  DF  .~ And traction control {6}
143.~.~ With four wheel drive or all wheel drive

DEFINITION

Classification: 303/143

With four wheel drive or all wheel drive:

(under subclass 139) Speed and traction control in which the braking action is designed for a vehicle with a differential for each axle.