US PATENT SUBCLASS 229 / 403
.~ Insulated

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

400  DF  PAPER OR PAPERBOARD CUP {5}
403.~ Insulated

DEFINITION

Classification: 229/403

Insulated:

(under subclass 400) Cup wherein the cup includes structure intended to reduce heat transfer through the cup wall.

SEE OR SEARCH CLASS

383, Flexible Bags,

110, for a flexible bag including insulated wall structure.