Patent Appeal No. 8530. June 3, 1971. Bert A. Collison, William K. Guild, Nims, Halliday, Whitman, Howes, Collison Isner, New York City, attorneys of record, for appellant. Walter J. Halliday, New York City, of counsel. Beverly W. Pattishall, George R. Clark, Robert M. Newbury, Pattishall, McAuliffe Hofstetter, Chicago, Ill., attorneys of record, for appellee. Before RICH, ALMOND, BALDWIN and LANE, Judges, and LANDIS, Judge, United States Customs Court, sitting by designation. BALDWIN, Judge. This