Appeal No. 97-4084
Application 08/330,672
The references of record relied upon by the examiner
as evidence of obviousness are:
Titus et al. (Titus) 4,516,608 May 14,
1985
Lancelot 5,383,740 Jan. 24,
1995
THE REJECTION
Claims 1 through 4, 10, 12 and 14 through 19 stand
rejected under 35 U.S.C. § 103 as unpatentable over Lancelot
in view of Titus. According to the examiner, Lancelot shows
the features of the claimed subject matter except Lancelot is
not made of a laminated structure of two or more materials.
The examiner is further of the opinion that Titus teaches the
use of a laminated structure for increasing the strength of
the laminated article. Therefore, the examiner is of the
opinion that
[i]t would have been obvious to a person
having ordinary skill in the art at the
time of appellant's invention to modify the
tubular member to have a laminated struc-
ture in view of Titus et al. in order to
provide a means of increasing the compres-
sive strength of the tubular member so as
to prevent buckling of the tubular member
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