US PATENT SUBCLASS 62 / 53.1
.~ Underground or underwater storage


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}
53.1.~ Underground or underwater storage


DEFINITION

Classification: 62/53.1

Underground or underwater storage:

(under subclass 45.1) Process or apparatus wherein the product of refrigeration is stored in a subterranean or subaqueous receptacle (e.g., a tank, a void, etc.) adapted to hold a cryogen.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

53+, for underground fluid storage for general applications; and subclasses 195.1+ for underwater fluid storage for general applications.