US PATENT SUBCLASS 249 / 200
.~.~ Hollow for confining a heat producing or heat retaining medium

Current as of: June, 1999
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249 /   HD   STATIC MOLDS

187.1  DF  MOLD ELEMENT {4}
197  DF  .~ Sink head or hot top {5}
200.~.~ Hollow for confining a heat producing or heat retaining medium

DEFINITION

Classification: 249/200

(under subclass 197) Apparatus wherein the hot top is constructed with a chamber for confining a heat producing or heat insulating medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

79, for mold including means within mold surface to confine a heat exchange medium.