US PATENT SUBCLASS 431 / 64
.~ Level responsive means controls fuel level in wick pot or pot type burner

Current as of: June, 1999
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431 /   HD   COMBUSTION

18  DF  TIMER, PROGRAMMER, RETARDER OR CONDITION RESPONSIVE CONTROL {26}
64.~ Level responsive means controls fuel level in wick pot or pot type burner

DEFINITION

Classification: 431/64

(under subclass 18) Apparatus including means responsive to the level of a body of liquid fuel or connected bodies of fuel and controlling the flow of fuel to maintain a substantially unvarying depth of liquid fuel burning at the surface of one of the bodies or on a wick extending from that body.

SEE OR SEARCH CLASS

137, Fluid Handling,

386+, for a liquid level responsive or maintaining system of general utility.