Application of Nicholas Mostovych, James J. Weber, Walter A. Mitchell, Jr. And Paul L. Aulbach

MARTIN, Judge.

The issue in this appeal from the Board of Appeals is whether the claims to appellants’ method of producing a black inorganic finish on anodized aluminum, and the articles produced thereby, define more than obvious variations of the prior art.

Appellants’ application, serial No. 860,073 entitled “Method of Coloring Metal and Article Produced Thereby”, filed December 17, 1959, is stated to be a continuation-in-part of application serial No. 702,509 filed December 13,1957. Appellants have appealed claims 1 through 11 of the twelve claims refused by the board in the continuation…