US PATENT SUBCLASS 431 / 334
.~.~ With pot or fuel reservoir elevating means

Current as of: June, 1999
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431 /   HD   COMBUSTION

331  DF  POT TYPE BURNER {3}
333  DF  .~ Having means for continuously feeding fuel {4}
334.~.~ With pot or fuel reservoir elevating means

DEFINITION

Classification: 431/334

(under subclass 333) Apparatus including distinct means by which the burner pot is moved as a whole in a vertical direction relative to its support.