Patent Appeal No. 75-574. November 13, 1975. Joseph F. Nakamura, Washington, D.C., for the Commissioner of Patents, R. V. Lupo, Associate Solicitor, Washington, D.C., of counsel. Appeal from the Board of Appeals of United States Patent Office. Before MARKEY, Chief Judge, RICH, BALDWIN and MILLER, Associate Judges, and ALMOND, Senior Judge. ALMOND, Senior Judge. This is an appeal from the decision of the Patent and Trademark Office (PTO) Board of Appeals affirming the rejections of claims 1 and 2