Appeal No. 1998-1787 Page 2
Application No. 08/151,257
BACKGROUND
The appellants' invention relates to a pipe (claims 1
through 8 and 11 through 14), a steam generator (claims 15
through 20 and 22), and a heat exchanger (claim 21). An
understanding of the invention can be derived from a reading
of exemplary claim 1, which appears in the appendix to the
appellants' brief.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Koch et al. 3,088,494 May 7,
1963
(Koch)
Jabsen et al. 4,124,064 Nov. 7,
1978
(Jabsen)
Stevens 4,191,133 Mar. 4,
1980
Onishi et al. 4,480,684 Nov. 6,
1984
Claims 1 through 4, 6 through 8 and 12 through 22 stand
rejected under 35 U.S.C. § 103 as being unpatentable over
Stevens in view of Onishi.
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