Patent Appeal No. 8813. February 8, 1973. John F.A. Earley, Philadelphia, Pa., James W. Dent, Washington, D.C., attorneys of record, for appellant. S. Wm. Cochran, Washington, D.C., for the Commissioner of Patents. Fred W. Sherling, Washington, D.C., of counsel. Appeal from the Patent Office Board of Appeals. Before MARKEY, Chief Judge, and RICH, ALMOND, BALDWIN, and LANE, Judges. MARKEY, Chief Judge. This is an appeal from the decision of the Patent Office Board of Appeals affirming the examiner's