US PATENT SUBCLASS 303 / 123
.~ For a tractor-trailer type vehicle

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

121  DF  SPEED-CONTROLLED {44}
123.~ For a tractor-trailer type vehicle {1}
124  DF  .~.~> Electric brake

DEFINITION

Classification: 303/123

For a tractor-trailer type vehicle:

(under subclass 121) Speed control for a conveyance comprising towing means coupled to a freight carrier by a towing link.