Interference No. 103,036
figures as his guide. Consequently, we agree with the party
Burroughs et al. that since its patent discloses and claims the
particular embodiment of the temperature sensitive voltage
indicator over a nonconductive layer attached to the side of a
battery, this embodiment must be presumed to be operative, i.e.,
the lower nonconductive layer must inherently have sufficient
thermal insulating means to overcome heat sinking when the
voltmeter is in contact with a battery having an electrically
conducting housing. Furthermore, the Burroughs et al. specifi-
cation is sufficient to show that the natural result flowing from
the operation of the device of Figure 10 is to permit the heat
generated by the conductive layer to change the color of the
temperature sensitive color indicator material. See Hansgirg v.
Kemmer, 102 F.2d 212, 40 USPQ 665 (CCPA 1939) and In re Reynolds,
443 F.2d 384, 389, 170 USPQ 94, 98 (CCPA 1971). In In re
Reynolds, 443 F.2d 384, 389, 170 USPQ 94, 98, the court resolved
an issue of inherent disclosure in an analogous case ("means for
preventing an abrupt change in the capacitance . . .") in favor
of an applicant by the disclosure of the drawing and the
knowledge that a person skilled in the art would suspect that
there was some reason for the relationships shown in the drawing
and would not regard such disclosure as accidental or arbitrary.
The Court also quoted with approval Technicon Instruments Corp.
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