District Court, W.D. New York July 31, 1935, No. 771 (Midwest Mfg. Co. v. Filter Corp.)

RIPPEY, District Judge.

This is an action for an infringement of United States letters patent No. 1,521,575, issued December 30, 1924. The action was commenced on September 19, 1931. Answer was filed January 30, 1932. On May 11, 1934, a motion was made by plaintiff *707for leave to file a voluntary bill of particulars.