Dieterich v. Leaf

This is an appeal in an interference proceeding arising in the United States Patent Office between a patent to the party Leaf, issued October 31, 1933 (for a period of fourteen years), upon an application filed July 31, 1933, and an application of the party Dieterich filed November 7, 1933, the subject matter being a design for ice cream cones of a “double header” type. Leaf is the senior party, the. patent to him having, in fact, been issued prior to the filing date of Dieterich. The Examiner of Interferences and the Board of Appeals concurred in the finding that Dieterich was not entitled…