Appeal No. 2000-2032 Page 9
Application No. 09/017,187
Kalisiak, the examiner made determinations (answer, p. 3) that
these differences would have been obvious to an artisan from
the teachings of Richards and Reponty. However, while
Richards may have led an artisan to position Kalisiak's sensor
set upstream of a quarter fold region, we see no teaching or
suggestion in the applied prior art to have modified Kalisiak
to provide one sensor set to determine skew in a signature
upstream of a quarter fold region and another sensor set to
determine skew in a signature downstream of a cutting
cylinder.
Claims 12 to 14 require the performance of the step of
determining a signature-to-signature spacing as a function of
sensing the trail edge of a first signature and sensing the
lead edge of a second signature both downstream of a cutting
cylinder and upstream of a quarter folder region. However, it
is our view that these limitations are not suggested by the
applied prior art. In that regard, while Nakazato does teach
a sensor to determine signature-to-signature spacing, it is
our determination that Nakazato and the other applied prior
art do not teach or suggest determining a
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