Fearon v. Krasnow

This is an appeal from the decision of the Board of Interference Examiners of the United States Patent Office in Interference No. 80,375, awarding priority to Krasnow and Curtiss, joint applicants, hereinafter referred to as Krasnow et al. Their application, Serial No. 301,078, was filed in the Patent Office October 24, 1939. The application of Fearon, Serial No. 311,218, was filed December 27,1939. So, upon the latter as the junior party there rested the burden of establishing priority by a preponderance of the evidence.

The interference was originally declared August 18, 1942, with only two…