US PATENT SUBCLASS 62 / 385
.~ Sublimed gas entering insulation or within hollow wall

Current as of: June, 1999
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62 /   HD   REFRIGERATION

384  DF  COOLER UTILIZING SOLIDIFIED GAS {4}
385.~ Sublimed gas entering insulation or within hollow wall

DEFINITION

Classification: 62/385

(under subclass 384) Apparatus including means for either (1) discharging sublimed CO2 into insulation or (2) circulating said gas within a hollow wall structure which is sealed except for a sublimed gas inlet and outlet.

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273, for a similar arrangement serving to prevent condensation upon insulation.