Appeal No. 2000-1338
Application 09/107,241
The references relied upon by the examiner as evidence of
obviousness are:
Hall (Hall ‘793) 4,520,793 June 4, 1985
Hall (Hall ‘908) 5,774,908 July 7, 1998
Du Plooy 2 035 542 June 18, 1980
(British Patent Document)
THE REJECTION
Claims 1 through 3, 13 and 14 stand rejected under
35 U.S.C. § 103(a) as being unpatentable over Du Plooy in view
of Hall ‘793 and Hall ‘908.
Attention is directed to the appellants’ main and reply
briefs (Paper Nos. 13 and 15) and to the examiner’s answer
(Paper No. 14) for the respective positions of the appellants
and the examiner with regard to the merits of this rejection.
DISCUSSION
Du Plooy, the examiner’s primary reference, discloses a
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