US PATENT SUBCLASS 110 / 116
.~.~ Door

Current as of: June, 1999
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110 /   HD   FURNACES

101 R  DF  FUEL FEEDERS {15}
*  DD  .~ Chute {1}
116.~.~ Door {1}
117  DF  .~.~.~> Multiple charge

DEFINITION

Classification: 110/116

(under subclass 101) Devices for feeding fuel through a gravity-feed chute to the furnace through the furnace doorway.