US PATENT SUBCLASS 126 / 527
.~.~ Secondary outlet leads air to flame

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}
527.~.~ Secondary outlet leads air to flame

DEFINITION

Classification: 126/527

Secondary outlet leads air to flame:

(under subclass 523) Subject matter including means defining an opening along said flow path in the vicinity of the flame for injecting air into the flame to aid in combustion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

525, for secondary outlet associated with a tubular heat exchanger.