Appeal No. 1999-2708 Page 9
Application No. 08/896,533
of a swinging shutter leaf toward a free edge of another
swinging shutter leaf to cover a gap therebetween when the
shutter leaves are closed, we are not persuaded that the
teachings from the applied prior art would have suggested the
limitations of “a gap between an end of said shutter leaf and
an adjacent peripheral surface of said insertion opening; and
at least one resilient skirt along at least a portion of a
periphery of said shutter leaf, said resilient skirt extending
toward and contacting said adjacent peripheral surface of said
insertion opening so that said resilient skirt substantially
covers said gap between said shutter leaf and said insertion
opening when said shutter leaf is in a closed position” or “a
gap between an adjacent end of each of said pair of shutter
leaves; and at least one resilient skirt along at least a
portion of a peripheral end of at least one of said pair of
shutter leaves, said at least one resilient skirt extending
toward the remaining one of said pair of shutter leaves so
that said at least one resilient skirt covers said gap between
said pair of shutter leaves when in said closed position.”
Therefore, we reverse the rejection of claim 1 and of claims
2-4, 8, 9, 22, and 23, which depend thereform. We also
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