Duplicator Mfg. Co. v. Heyer

EVAN A. EVANS, Circuit Judge.

Appellant charged infringement of United States letters patent No. 965,887 to Elanigan for a multiple copying machine. In the District Court the bill was dismissed for want of equity. On the 42 claims of- the patent, infringement is alleged of but one, which is:

“42. In a multiple copying machine, the combination with a machine frame, having on one side thereof a journal bearing and on the opposite side a chuck, of a duplicating hand, and a spool on which said duplicating hand is wound, said spool having at each end a squared chuck-engaging member and cylindrical…