US PATENT SUBCLASS 110 / 272
.~.~.~.~.~ Between runs

Current as of: June, 1999
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110 /   HD   FURNACES

267  DF  INCLUDING MEANS TO FEED SOLID FUEL {4}
268  DF  .~ Movable grate {5}
269  DF  .~.~ Endless chain {3}
270  DF  .~.~.~ Including air supply means {1}
271  DF  .~.~.~.~ And chain seal {1}
272.~.~.~.~.~ Between runs

DEFINITION

Classification: 110/272

Between runs:

(under subclass 209) Apparatus wherein the seal means is

located either within the interior or contiguous to a longitudinal side of the endless grate.