Interference No. 103,036
in Fig. 10 of the '544 patent. While Fig. P-1 does not
appear in the ‘544 patent as such, it is based entirely
on the disclosure of the Burroughs ‘544 patent, and is
intended to show the relative positions of the various
components and the actual flow of heat and current as
described in the patent.
The relative positions of the features of Fig.
P-1 are supported by the '544 patent specification as
follows, with the feature numbers shown bold in
brackets corresponding to those shown in Fig. 10.
Specifically, at column 4, lines 21-38, the
specification states:
the battery strength indicator means
comprises: (a) a first nonconductive layer
[30]; (b) a second nonconductive layer [32]
attached to the first nonconductive layer, a
portion of the first and second nonconductive
layers forming a chamber [66] therebetween;
(c) a conductive layer [64] sandwiched
between said first and second nonconductive
layers, the conductive layer reduced to a
small cross-sectional area [65] in the
chamber; and (d) a heat sensitive color
indicating material [70] in said sealed
chamber that is adapted to undergo a color
change when its temperature exceeds or
crosses a predetermined value, said
conductive layer in the chamber rising to a
predetermined temperature when the voltage of
the current flowing therethrough exceeds a
predetermined value.
The battery strength indicator is attached to the
side of a dry cell battery [18] in accordance with
Fig. 2 and the disclosure at column 6, lines 15-
29. The housings of both the nonrechargeable
alkaline and zinc-carbon dry cell batteries
disclosed in the '544 patent at column 11, line 42
-45-
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Last modified: November 3, 2007