US PATENT SUBCLASS 126 / 535
.~.~ And adjustable flue damper

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

500  DF  FIREPLACES OR ACCESSORIES {19}
523  DF  .~ With heat exchanger for room heating air {7}
535.~.~ And adjustable flue damper

DEFINITION

Classification: 126/535

And adjustable flue damper:

(under subclass 523) Subject matter and further including a closure plate in a channel leading from the flame to the exterior of the enclosure, and wherein means is provided for

moving said plate to affect the amount of combusted gases passing through said channel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

534, for an adjustable flue damper combined with an air flow regulator.