Patent Appeal No. 7604. May 12, 1966. Walter C. Ramm, Chicago, Ill., for appellant. Joseph Schimmel, Washington, D.C. (George C. Roeming, Washington, D.C., of counsel), for Commissioner of Patents. Before RICH, Acting Chief Judge, MARTIN, SMITH, and ALMOND, Judges, and Judge WILLIAM H. KIRKPATRICK. United States Senior District Judge for the Eastern District of Pennsylvania, designated to participate in place of Chief Judge Worley, pursuant to provisions of Section 294(d), Title 28, United States