KNOWLES v. TIBBETTS

Patent Appeal No. 7377.

347 F.2d 591 (1965)

Hugh S. KNOWLES, Appellant, v. George C. TIBBETTS, Appellee.

United States Court of Customs and Patent Appeals.

Rehearing Denied October 12, 1965.


Attorney(s) appearing for the Case

Wilfred S. Stone, Chicago, Ill., J. William Pike, Washington, D. C., for appellant.

Charles S. Grover, Boston, Mass., James W. Dent, Washington, D. C., for appellee.

Before WORLEY, Chief Judge, and RICH, MARTIN, SMITH and ALMOND, Judges.


ALMOND, Judge.

Hugh S. Knowles appeals from a decision of the Board of Patent Interferences awarding priority of invention to George C. Tibbetts. The interference is between two applications.1 The board based its award of priority on its holding that the junior party, Knowles, had failed to prove a reduction to practice prior to the senior party's filing date.

There are three counts in the interference. At oral hearing, Knowles...

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