Chicago Patent Corporation v. Genco, Inc.

LINDLEY, District Judge.

The District Court held valid and infringed, plaintiff’s pátent to Bellah, reissued April 19, 1938, No. Re.-20698. Defendant now insists that the patent is invalid and, alternately, properly construed, not infringed. Claims 3, 13 and 15 are in issue. 1

The pin-ball game device of the patent can not be simply or easily described. Consequently we shall endeavor to limit our discussion to only such features as seem necessary and pertinent to our conclusions. The machine is an outgrowth of bagatelle games originating long years ago. A dominant characteristic in all such…