Callaghan v. Gouverneur

MARTIN, Acting Associate Justice.

This is an appeal in a patent interference proceeding; the invention in question being one relating *962to electrical- furnaces of the heat-treating type. A brief explanation of the former art and the origin of the improvement will aid in a consideration of the case. The facts, of course, are taken as they appear in the record.

During the late war the government was compelled to procure in great haste large quantities of war supplies, among which three and four inch guns were important items. The manufacture of such guns began with billets of metal, and these were…