Appeal No. 1999-1889 Page 16
Application No. 08/366,988
Representative claim 13 specifies in pertinent part the
following limitations: “the surface-to-surface contact of the
first and second materials extending over all of only the one
side of the first material ....” Accordingly, the limitations
require inter alia that the surface-to-surface contact of the
two different densities extends over all of one side of the
first density material.
The applied prior art discloses the limitations. As
mentioned regarding the first argument, Figure 43 of
Koitabashi shows that its high compression ratio portion A432
and its minimum compression ratio portion A434 are in surface-
to-surface contact with each other. The Figure also shows
that the contact extends over all the left side of the high
compression ratio portion.
Because Koitabashi’s surface-to-surface contact between
its high compression ratio portion and minimum compression
ratio portion extends over all of one side of the former, we
are persuaded that the applied prior art discloses the
limitations of “the surface-to-surface contact of the first
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