US PATENT SUBCLASS 303 / 15
.~ Fluid and electric

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

13  DF  MULTIPLE CONTROL {2}
15.~ Fluid and electric {1}
16  DF  .~.~> Automatic electric {1}

DEFINITION

Classification: 303/15

The distribution of the fluid is controlled by change of pressure in the control-pipe and by electric operation of the distributing-valves.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, for a fluid and electric distribution system.

121+, for a speed controlled braking system that controls fluid braking pressure.