US PATENT SUBCLASS 126 / 509
.~ For heating plural rooms

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

500  DF  FIREPLACES OR ACCESSORIES {19}
509.~ For heating plural rooms {1}
510  DF  .~.~> Fireplace in dividing wall {1}

DEFINITION

Classification: 126/509

For heating plural rooms:

(under subclass 500) Subject matter including means to direct heat from said flame to another inhabitable enclosure.