Patent Appeal No. 9118. February 21, 1974. Boris Haskell, Washington, D.C., attorney of record, for appellant. Joseph F. Nakamura, Washington, D.C., for the Commissioner of Patents; Fred E. McKelvey, Washington, D.C., of counsel. Appeal from the Patent 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 Office Board of Appeals affirming the rejection of claims 2-4, 7, 8, 19, and 20 of application