Appeal No. 81-524. July 16, 1981. Harry V. Strampel, Wallenstein, Spangenberg, Hattis Strampel, Sidney W. Russell, Arlington, Va., for appellant. Joseph F. Nakamura, Fred W. Sherling, Washington, D.C., for Board of Appeals. Appeal from the Patent and Trademark Office Board of Appeals. Before MARKEY, Chief Judge, and RICH, BALDWIN, MILLER and NIES, Judges. MARKEY, Chief Judge. Appeal from the decision of the Patent and Trademark Office Board of Appeals ("board") sustaining the Examiner's rejection