Appeal No. 1999-0639 Page 2
Application No. 08/592,109
BACKGROUND
The appellant's invention relates to a ladder system, a
ladder rail, a method of climbing the ladder and a method of
forming the ladder. Of importance to the appellant is the
provision of a non-linear (curved) slot in the ladder rail of
the invention for pivotal attachment of a ladder shoe. An
understanding of the invention can be derived from independent
claims 1, 10, 11 and 13, which are reproduced in the appendix
to the appellant's brief.
The prior art reference of record relied upon by the
examiner in rejecting the appealed claims is:
Kiska 5,370,203 Dec. 6, 1994
The following rejections are before us for review.
Claims 1 through 13 stand rejected under 35 U.S.C. § 103
as being unpatentable over Kiska.
Reference is made to the brief (Paper No. 9) and the
answer (Paper No. 10) for the respective positions of the
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