Appeal No. 98-0057
Application No. 08/320,016
still pending in the application have been withdrawn from
consideration as being directed to a nonelected invention.
Claim 1, the only independent claim on appeal, defines
the invention as follows:
1. A helical pipe comprising an outer plastic layer and
an inner plastic layer wherein said outer plastic layer is an
ultraviolet light-protective color and said inner plastic
layer is [sic, has] a light-reflecting color such that the
interior of said helical pipe can be accurately inspected by
visual or video means.
The following references are relied upon by the examiner
as evidence of obviousness in support of his rejection under
35 U.S.C. § 103:
Fouss et al. (Fouss) 4,523,613 Jun. 18,
1985
Prassas et al. (Prassas) 5,299,885 Apr.
5, 1994
(filed Aug. 14, 1992)
Appealed claims 1 through 8 and 15 stand rejected under
35 U.S.C. § 103 as being unpatentable over Fouss in view of
Prassas. Appealed claims 1 through 8 additionally stand
rejected under 35 U.S.C. § 112, second paragraph, as being
indefinite for failing to particularly point out and
2
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