US PATENT SUBCLASS 110 / 278
.~.~ Oscillatory

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}
278.~.~ Oscillatory {2}
279  DF  .~.~.~> Manual actuation means
280  DF  .~.~.~> Multiple retort

DEFINITION

Classification: 110/278

Oscillatory:

(under subclass 268) Apparatus wherein the grate or grate element is fixed at a fulcrum point and capable of moving alternately backward and forward thereby advancing the fuel along the grate.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

170+, for grate structure for domestic stoves and furnaces capable of moving in a to-and-fro motion.