Patent Appeal No. 8392. April 22, 1971. Rehearing Denied June 10, 1971. William Kaufman, Harry H. Kline, Roland A. Dexter, Stamford, Conn., attorneys of record, for appellant. S. Wm. Cochran, Washington, D.C., for the Commissioner of Patents. R.E. Martin, Washington, D.C., of counsel. Before RICH, ALMOND, BALDWIN and LANE, Judges, and NEWMAN Judge, United States Customs Court, sitting by designation. RICH, Judge. This appeal is from the decision of the Patent Office Board of Appeals affirming the