US PATENT SUBCLASS 431 / 313
.~.~ Director passageways leading to flame zone

Current as of: June, 1999
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431 /   HD   COMBUSTION

298  DF  FIBROUS WICK TYPE FLAME HOLDER {9}
310  DF  .~ Having air or flame director, air distributor, or windguard {4}
313.~.~ Director passageways leading to flame zone

DEFINITION

Classification: 431/313

(under subclass 310) Apparatus including plural distinct elongated air passages leading to distinct regions of the wick flame zone.