Patent Appeal No. 8631. August 31, 1972. Roman Saliwanchik, Kalamazoo, Mich., attorney of record, for appellant; John Kekich, Kalamazoo, Mich., of counsel. S. Wm. Cochran, Washington, D.C., for the Commissioner of Patents; Jack E. Armore, Washington, D.C., of counsel. Appeal from the Patent Office Board of Appeals. Before WORLEY, Chief Judge, and RICH, ALMOND, BALDWIN, and LANE, Judges. LANE, Judge. This appeal is from the decision of the Board of Appeals sustaining the examiner's rejection of claims