Appeal No. 1997-0144
Application No. 08/424,223
than 400,000 lbs./sq. in., with a fiber having a tenacity of no
more than 10g/denier. Thus, even if Robins can be said to have
been suggestive of using a liquid crystal polymer fiber having a
tenacity of no more than 10 grams per denier (e.g., VECTRAN M) in
the core of its composite yarn, a point in some considerable
doubt, we see nothing in the applied references or otherwise
which would have led one of ordinary skill in the art to make any
such substitution for the high strength Kevlar fibers in
Bettcher.
Since we have determined that the teachings and suggestions
found in Bettcher and Robins would not have made the subject
matter as a whole of claims 1 through 3, 5, 6, 11, 12, 15 through
18, 25, 26, 35 and 36 on appeal obvious to one of ordinary skill
in the art at the time of appellant's invention, we must refuse
to sustain the examiner's rejection of those claims under
35 U.S.C. § 103.
Under the authority provided us by 37 CFR § 1.196(b), we
enter the following new ground of rejection.
Claims 1, 11/1, 12/11/1, 15/1, 16/11/1, 35/1 and 36/35/1 are
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