US PATENT SUBCLASS 196 / 135
.~ Feeders

Current as of: June, 1999
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196 /   HD   MINERAL OILS: APPARATUS

104  DF  VAPORIZING {22}
135.~ Feeders

DEFINITION

Classification: 196/135

(under subclass 104) Special means for feeding the oil to the vaporizer,.

SEE OR SEARCH CLASS

137, Fluid Handling, for fluid feeding and handling not otherwise provided for, particularly

386, for liquid level responsive flow control.

159, Concentrating Evaporators,

43.1,.