US PATENT SUBCLASS 126 / 526
.~.~.~ With air flow regulator

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}
524  DF  .~.~ Tubular {2}
526.~.~.~ With air flow regulator

DEFINITION

Classification: 126/526

With air flow regulator:

(under subclass 524) Subject matter including means to control the amount of air flowing through said flow path.