Interference No. 103,036
housing be overcome by the thermal insulation beneath
the conductive area 65 of layer 64.
19. In connection with the battery housing, dry
cell batteries of the type shown in Fig. 2 of
Burroughs et al. patent and described elsewhere as
nonrechargeable alkaline batteries (column 11, line
42) or zinc-carbon batteries (column 12, line 63) all
have electrically conductive housings. In a case of
alkaline dry cells, the side of the housing is part
of the cathode. In the case of zinc-carbon
batteries, the side of the housing is part of the
anode. Thus, I believe that the Burroughs '544
patent inherently discloses that the dry cell battery
housing is electrically conductive.
20. Fig. P- 1 below is a side elevational view
of a thermal and electrical model of the heat
sensitive battery strength indicator embodiment shown
-43-
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