(concurring).
The opinion in this case is a logical extension of the reasoning of the Court in In re Robeson, 331 F.2d 610, 51 CCPA 1271, and In re Kaye, 332 F.2d 816, 51 CCPA 1465. The rationale of those decisions requires the reversal of the board’s decision in the present case and, for that reason only, I coftcur.