US PATENT SUBCLASS 110 / 314
.~ Supplying through hollow bridgewall

Current as of: June, 1999
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110 /   HD   FURNACES

297  DF  INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS {3}
314.~ Supplying through hollow bridgewall

DEFINITION

Classification: 110/314

Supplying through hollow bridgewall:

(under subclass 297) Apparatus provided with a vertical barrier structure at the rear of the firebox having a substantially closed cavity through which the fluid may pass into the combustion chamber.