US PATENT SUBCLASS 53 / 387.4
.~ With means to heat or cool flap


Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

387.1  DF  MEANS TO HOLD FLAP {2}
387.4.~ With means to heat or cool flap


DEFINITION

Classification: 53/387.4

With means to heat or cool flap:

(under subclass 387.1) Apparatus including structure intended to raise or lower the thermal level of the projecting portion.