Patent Appeal No. 6574. July 6, 1960. James H. Littlepage, Washington, D.C., Francis P. Keiper, Syracuse, N.Y. (Helen F. Keiper, Syracuse, N.Y., of counsel), for appellant. Herbert J. Jacobi, Washington, D.C. (Samuel L. Davidson, Washington, D.C., of counsel), for appellee. Before WORLEY, Chief Judge, and RICH, MARTIN, and SMITH, Judges, and Judge WILLIAM H. KIRKPATRICK. United States Senior Judge for the Eastern District of Pennsylvania, designated to participate in place of Judge O'CONNELL, pursuant