US PATENT SUBCLASS 192 / 3.3
.~.~.~ With auxiliary source of pressure

Current as of: June, 1999
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192 /   HD   CLUTCHES AND POWER-STOP CONTROL

3.21  DF  VORTEX-FLOW DRIVE AND CLUTCH {6}
3.28  DF  .~ Including drive-lockup clutch {2}
3.29  DF  .~.~ Having fluid-pressure operator {1}
3.3.~.~.~ With auxiliary source of pressure

DEFINITION

Classification: 192/3.3

(under subclass 3.29) Combination provided with means, other than the vortex-flow drive, that generates the force in the medium.