Appeal No. 1997-2834
Application No. 08/190,729
brief, page 3). This prevents the base metal ions, which are
typically soluble in the intermediate layer, from migrating
under the potential difference between the base metal layer
and the top metal layer to the surface of the top metal layer
to form corrosion products (id.).
As evidence of unpatentability, the examiner relies upon
the following prior art references:
Levine (Levine ‘958) 4,601,958 Jul. 22,
1986
Levine (Levine ‘796) 4,666,796 May 19,
1987
Levine (Levine ‘067) 4,835,067 May 30,
1989
In addition, the examiner relies upon the appellant’s
admission of the prior art, as described on pages 1 and 2 of
the present specification.
The sole ground of rejection presented for our review in
this appeal is as follows:1
Claims 51 through 94 stand rejected under 35 U.S.C. § 103
as unpatentable over the appellant’s admitted prior art in
1In the advisory action of February 6, 1995, the
examiner withdrew the rejection of claims 60 through 71, 75
through 80, and 87 through 94 under the first paragraph of 35
U.S.C. § 112 as set forth on pages 2 and 3 of the final Office
action.
3
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