HINCKS, District Judge.
This is an action by the administratrix and assignee of the patentee for infringement of Schenk Reissue Patent No. 21,031, which issued March 14, 1939, on an application filed December 27, 1938. The patent in suit is a reissue of Schenk Patent No. 1,815,868, which issued July 21, 1931, on an application filed October 17, 1929. The defenses are invalidity (on a number of grounds) and noninfringement.
The patent in suit discloses a completely...
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