Patent Appeal No. 75-631. January 29, 1976. John W. Melville, Melville, Strasser, Foster Hoffman, Cincinnati, Ohio, of record, for appellant. Joseph F. Nakamura, Washington, D.C., for the Commissioner of Patents; Gerald H. Bjorge, Washington, D.C., of counsel. Appeal from the Court of Customs and Patent Appeals, Rich, J. Before MARKEY, Chief Judge, and RICH, BALDWIN, LANE and MILLER, Judges. RICH, Judge. This appeal is from the decision of the Patent and Trademark Office Board of Appeals affirming