Patent Appeal No. 76-610. December 9, 1976. Kenneth F. Dusyn, atty. of record, for appellants; Melvin H. Kurtz and M. Ted Raptes, Arlington, Va., of counsel. Joseph F. Nakamura, Washington, D.C., for the Commissioner of Patents; Jack E. Armore, Washington, D.C., of counsel. Appeal from the Patent and Trademark Office Board of Appeals. Before MARKEY, Chief Judge, and RICH, BALDWIN, LANE and MILLER, Judges. MILLER, Judge. This appeal is from the decision of the Patent and Trademark Office (PTO) Board