US PATENT SUBCLASS 62 / 48.3
.~.~ And subsequently used to cool receptacle

Current as of: June, 1999
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62 /   HD   REFRIGERATION

45.1  DF  STORAGE OF SOLIDIFIED OR LIQUIFIED GAS (E.G., CRYOGEN) {12}
48.1  DF  .~ With vapor discharged from storage receptacle {3}
48.3.~.~ And subsequently used to cool receptacle

DEFINITION

Classification: 62/48.3

And subsequently used to cool receptacle:

(under subclass 48.1) Process or apparatus wherein the removed vapor is used to cool either the receptacle's walls or an external component of the receptacle (e.g., a radiation shield, the receptacle's, foundation).