US PATENT SUBCLASS 62 / 313
.~.~.~ Elongated vertical passage for melt and air

Current as of: June, 1999
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62 /   HD   REFRIGERATION

304  DF  MATERIAL COOLING MEANS INCLUDING GAS-LIQUID CONTACTOR {9}
311  DF  .~ Diverse treating means {1}
312  DF  .~.~ Ice holder and ice melt-gas contactor {1}
313.~.~.~ Elongated vertical passage for melt and air

DEFINITION

Classification: 62/313

(under subclass 312) Apparatus in which there is means forming a flue extending in a substantially vertical direction through which both air and ice-melt pass while in contact with each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

420+, wherein such passages may be present but there is no means enhancing gas-melt contact.