Blodgett v. Richter

On December 4, 1925, Richter filed an application for patent in the United States Patent Office entitled, “For Cyclic Process of Treating Alkaline Pulps,” which was duly prosecuted until a number of claims reached the stage of allowance. It is said in the brief for appellants that this stage was reached April 11, 1930. Richter, however, it is further said in the brief, did not pay the final fee and take the patent, but, on September 26, 1930, filed a “renewal application” in which additional claims were inserted with the statement that they were intended to dominate claims of another patent…