Appeal No. 2000-0303 Page 6
Application No. 08/886,649
has not determined that the claimed subject matter would have
been obvious under 35 U.S.C. § 103.
Pasman teaches a strainer 24 having an upstanding
corrugated outer peripheral wall 25 with perforations 28a
located in the wall 25 at locations spaced from the wall of
the supporting body 13. Pasman also teaches that the strainer
24 may be made with a smooth circumferential wall instead of
the corrugated wall. It is our opinion that Pasman would not
have suggested modifying Stretch's strainer to include an
upstanding smooth uncorrugated outer peripheral wall with a
plurality of slots in the outer peripheral wall for draining
water. While Pasman may have suggested modifying Stretch's
Figure 4 strainer to include an upstanding smooth uncorrugated
outer peripheral wall, such a modification of Stretch merely
results in the strainer shown in Figure 3 of Stretch. In our
view, Pasman's teaching that his strainer 24 may be made with
a smooth circumferential wall instead of the corrugated wall
would have also resulted in the omission of the perforations
28a in the modified strainer.
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