US PATENT SUBCLASS 123 / 393
.~.~.~ Responsive to exhaust gas


Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

319  DF  ENGINE SPEED REGULATOR {16}
349  DF  .~ Having condition responsive means with engine being part of a closed feedback system (e.g., cruise control) {4}
378  DF  .~.~ Fluidic sensor or regulator {6}
393.~.~.~ Responsive to exhaust gas


DEFINITION

Classification: 123/393

Responsive to exhaust gas:

(under subclass 378) Subject matter wherein the fluid sensed is the engine exhaust gas.