US PATENT SUBCLASS 60 / 686
.~ Having condition responsive control of exhaust structure or by exhaust condition

Current as of: June, 1999
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60 /   HD   POWER PLANTS

685  DF  MOTOR HAVING EXHAUST FLUID TREATING OR HANDLING MEANS {6}
686.~ Having condition responsive control of exhaust structure or by exhaust condition

DEFINITION

Classification: 60/686

(under subclass 685) Apparatus having (1) control structure responding to a condition of the exhaust or (2) a condition responsive structure controlling flow or, or a condition of the exhaust.