US PATENT SUBCLASS 425 / 160
.~ For timing heating or cooling means

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

155  DF  WITH CONTROL MEANS RESPONSIVE TO INDEPENDENTLY OPERATED TIMER {3}
160.~ For timing heating or cooling means

DEFINITION

Classification: 425/160

(under subclass 155) Apparatus in which the time period limited is that during which heating or cooling occurs.