Lamb v. Guillemard

MARTIN, Chief Justice.

This is an appeal taken in an interference proceeding, relating to an invention of a certain chemical mixture or compound designed for use in a respiratory apparatus for protection against deleterious gases. The interference involves an application of Guillemard, filed May 14, 1920, and a patent granted to Lamb and Hoover on November 4,1919, on an application filed by them on December 28, 1918 Guillemard, who is a Prench citizien, claimed that he had filed an application for a corresponding patent in Prance on October 3, 1917, and that under section 4887, Rev. St. (Comp.…