Appeal No. 2005-1579 Page 2
Application No. 09/963,625
understanding of the invention can be derived from a reading of
exemplary claim 1, which is reproduced below:
1. A method of forming a colored bright anodized coating on
a surface of an aluminum alloy article, where said alloy contains
more than three present by weight magnesium;
anodizing said surface in an aqueous sulfuric acid bath
containing 100 to 200 grams of sulfuric acid per liter of bath at
a temperature in the range of 18 to 25°C and at a current density
in the range of about 3 A/ft2 to 10 A/ft2 that produces a desired
thickness of a clear anodized layer suitable for color finishing;
and
coloring said clear anodized layer to produce said colored
coating.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Komatsubara et al. (Komatsubara) 5,181,969 Jan. 26, 1993
Askin et al. (Askin) 5,616,231 Apr. 01, 1997
Gillich 5,760,981 Jun. 02, 1998
Korte 6,309,427 Oct. 30, 2001
Claims 1 and 5 stand rejected under 35 U.S.C. § 103(a) as
being unpatentable over Korte in view of Gillich in separately
stated rejections. Claims 3 and 4 stand rejected under 35 U.S.C.
§ 103(a) as being unpatentable over Korte in view of Gillich,
Askin and Komatsubara and claims 6 and 7 stand rejected under
35 U.S.C. § 103(a) as being unpatentable over the same
combination of references in a separately stated rejection.
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