US PATENT SUBCLASS 431 / 35
.~.~ By candle length or fuel quantity

Current as of: June, 1999
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431 /   HD   COMBUSTION

18  DF  TIMER, PROGRAMMER, RETARDER OR CONDITION RESPONSIVE CONTROL {26}
33  DF  .~ Of extinguishing means {2}
35.~.~ By candle length or fuel quantity

DEFINITION

Classification: 431/35

(under subclass 33) Apparatus including means for extinguishing the flame automatically when a predetermined portion of a candle has been consumed or when a predetermined quantity of fuel has been consumed.