Dreyfus v. Lilienfeld

LENROOT, Associate Judge.

This is an appeal involving ten counts of an interference, No. 50554, declared in the United States Patent Office between an application for patent, No. 401,381, filed by appellant on August 5, 1920, an application for patent, No. 611,5Í6, filed by appellee on January 8, 1923 (which was a division of a prior copending application, No. 436,604, filed by appellee on January 11, 1921), and an application, No. 468,756, filed by certain other parties who are not parties to this appeal.

The subject-matter of the invention, broadly stated, relates to the process of making…