Heat packages and methods of their use

Refrigeration – Hand manipulable tool

Reexamination Certificate

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Details

C062S294000

Reexamination Certificate

active

07841202

ABSTRACT:
The present invention provides a heat package wherein a surface of a generating heat element that generates heat when exposed to atmosphere is placed against or attached to a heat conductive member. The heat element is protected from atmosphere until use. The heat package may include a heat-generating element attached to an insulating member with one or more air spaced there between. An outer surface of the heat-generating element can be exposed to atmosphere to produce heat when desired.

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patent: 4587950 (1986-05-01), Mack et al.
patent: 4640264 (1987-02-01), Yamaguchi et al.
patent: 4793323 (1988-12-01), Guida et al.
patent: 5305733 (1994-04-01), Walters
patent: 5461867 (1995-10-01), Scudder et al.
patent: 5534020 (1996-07-01), Cheney et al.
patent: 6060266 (2000-05-01), Naqui et al.
patent: 6092519 (2000-07-01), Fish et al.
patent: 6231596 (2001-05-01), Collins

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