US PATENT SUBCLASS 220 / 560.14
.~.~ Including means for facilitating the formation of an insulating layer from gas vapors emitted by the cryogenic content

Current as of: June, 1999
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220 /   HD   RECEPTACLES

560.04  DF  FOR CRYOGENIC CONTENT (E.G., LIQUEFIED GAS) {6}
560.12  DF  .~ Including thermal insulation {3}
560.14.~.~ Including means for facilitating the formation of an insulating layer from gas vapors emitted by the cryogenic content

DEFINITION

Classification: 220/560.14

Including means for facilitating the formation of an insulating layer from gas vapors emitted by the cryogenic content:

(under subclass 560.12) Subject matter wherein the container or one of its components is modified to (1) guide or direct vapors from the cryogenic content into position where they provide a heat barrier for the contents and/or (2) maintain vapors in a position to provide a heat barrier for the contents.