US PATENT SUBCLASS 477 / 200
.~.~ Internal combustion engine

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

182  DF  BRAKE CONTROL {8}
199  DF  .~ Brake engaged when engine energy deactivated, brake disengaged when engine energy is activated {1}
200.~.~ Internal combustion engine {1}
201  DF  .~.~.~> Controls brake valve {1}

DEFINITION

Classification: 477/200

Internal combustion engine:

(under subclass 199) Subject matter wherein the driving energy for the engine* is a combustible material which is burned to expand within a combustion chamber to drive a piston in the chamber.