REINERS v. MEHLTRETTER

Patent Appeal No. 6168.

236 F.2d 418 (1956)

Robert A. REINERS, Appellant, v. Charles L. MEHLTRETTER, Appellee.

United States Court of Customs and Patent Appeals.

Rehearing Denied September 27, 1956.


Attorney(s) appearing for the Case

John A. Dienner, Chicago, Ill. (Mildred Oncken, Chicago, Ill., of counsel), for appellant.

T. A. Seegrist, Washington, D. C., for appellee.

Before JOHNSON, Acting Chief Judge, and WORLEY, COLE, and JACKSON, retired, Associate Judges.


COLE, Judge.

This is an appeal from a decision of the Board of Patent Interferences of the United States Patent Office awarding priority of invention of the subject matter in issue in interference No. 85,181 to the senior party Charles L. Mehltretter, the appellee in the present proceeding. The invention in controversy is defined in a single count which is as follows:

"A method for the preparation of 1, 2-isopropylidene...

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