US PATENT SUBCLASS 192 / 3.25
.~ With additional drive or clutch

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}
3.25.~ With additional drive or clutch {2}
3.26  DF  .~.~> Simultaneously operative clutches
3.27  DF  .~.~> Alternatively operative clutches

DEFINITION

Classification: 192/3.25

(under subclass 3.21) Device including at least two "Vortex-Flow Drives", or at least two clutches.