US PATENT SUBCLASS 477 / 90
.~.~ Engine controlled

Current as of: June, 1999
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477 /   HD   INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL

34  DF  TRANSMISSION CONTROL {15}
70  DF  .~ With clutch control {7}
90.~.~ Engine controlled {1}
91  DF  .~.~.~> Speed responsive

DEFINITION

Classification: 477/90

Engine controlled:

(under subclass 70) Subject matter wherein operation of the clutch* or gear transmission* regulates the operation of an engine*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for a gear transmission and impeller-turbine-type fluid unit controlling an engine.

73, for the combination of a gear transmission, clutch, and brake controlling an engine.

101, for engine ignition control.

107, for engine control by a transmission, absent a clutch or brake.