US PATENT SUBCLASS 266 / 153
.~.~ Having retort condenser

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

144  DF  WITH MEANS TREATING OR HANDLING GASES EXHAUSTED BY TREATING MEANS {8}
148  DF  .~ By condensing and collecting a volatile constituent {6}
153.~.~ Having retort condenser

DEFINITION

Classification: 266/153

(under subclass 148) Device wherein a heating means is provided which is adapted to contain and externally heat a vessel which holds a discrete charge of material to be treated and wherein means are mounted on and carried by the vessel to liquefy or solidify vapors evolved in the vessel.