US PATENT SUBCLASS 126 / 521
.~ With air pump

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

500  DF  FIREPLACES OR ACCESSORIES {19}
521.~ With air pump {1}
522  DF  .~.~> Tubular heat exchanger

DEFINITION

Classification: 126/521

With air pump:

(under subclass 500) Subject matter including a device for moving air from an air inlet to the vicinity of the flame.

SEE OR SEARCH THIS CLASS, SUBCLASS:

516, for an air pump associated with a remote air supply.