Patent Appeal No. 7822. June 29, 1967. Richard E. Warner, for appellants. Joseph Schimmel, Washington, D.C. (Jere W. Sears, Washington, D.C., of counsel), for the Commissioner of Patents. Before WORLEY, Chief Judge, RICH, SMITH, and ALMOND, Judges, and WILLIAM H. KIRKPATRICK. Senior District Judge, Eastern District of Pennsylvania, sitting by designation. SMITH, Judge. This is an appeal from the decision of the Board of Appeals affirming the examiner's rejection of the appealed claims under 35 U