US PATENT SUBCLASS 220 / 592.1
.~.~.~ Foam insulation

Current as of: June, 1999
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220 /   HD   RECEPTACLES

592.01  DF  RECEPTACLE HAVING MEANS TO FACILITATE MAINTAINING CONTENTS ABOVE OR BELOW AMBIENT TEMPERATURE (E.G., COMPARTMENT FOR HOLDING A HEAT EXCHANGE MEDIUM) {5}
592.02  DF  .~ Ice-box, refrigerator, or freezer cabinet {5}
592.09  DF  .~.~ Including thermal insulation {2}
592.1.~.~.~ Foam insulation

DEFINITION

Classification: 220/592.1

Foam insulation:

(under subclass 592.09) Subject matter wherein the insulation is made from material which has been expanded to form internal cells or voids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

560.15, for a container for cryogenic content that is insulated by foamed material.

592.25, for other containers which are insulated by foamed material.

902, for an art collection of containers which include foamed material.