US PATENT SUBCLASS 220 / 573.4
.~ Having removable inner container (e.g., double boiler)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

573.1  DF  COOKWARE (E.G., POT, BAKING PAN) {3}
573.4.~ Having removable inner container (e.g., double boiler) {1}
573.5  DF  .~.~> Two or more removable inner containers

DEFINITION

Classification: 220/573.4

Having removable inner container (e.g., double boiler):

(under subclass 573.1) Subject matter wherein the cookware includes an inner receptacle which can be taken out.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23.87+, for other receptacles having a rigid, removable inner container.