Appeal No. 2000-0583
Application No. 08/955,984
their ordinary usage as they would be understood by one of
ordinary skill in the art, taking into account whatever
enlightenment by way of definitions or otherwise that may be
afforded by the written description contained in appellants'
specification. In re Morris, 127 F.3d 1048, 1054, 44 USPQ2d
1023, 1027 (Fed. Cir. 1997).
Moreover, absent an express definition in their
specification, the fact that appellants can point to
definitions or usages that conform to their interpretation
does not make the PTO's definition unreasonable when the PTO
can point to other sources that support its interpretation.
Id., 127 F.3d at 1056, 44 USPQ2d at 1029.
The term “strength” is ordinarily defined as the power to
resist strain, stress, etc. Of course, a balloon may be6
subjected to stresses and strains of different types (e.g.,
mechanical and thermal) and in different directions, such as
internal pressure, axial tension, axial compression, torsion,
tearing, etc., and will exhibit differing degrees of
resistance to these different stresses and strains. As
6Webster's New World Dictionary, Third College Edition (Simon &
Schuster, Inc. 1988).
5
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