Opinion · Court of Appeals for the Seventh Circuit

Heyer Duplicator Co. v. Ditto, Inc.

Heyer Duplicator Co. v. Ditto, Inc., 6 F.2d 578 (7th Cir. 1925)

Type
Opinion
Court
Court of Appeals for the Seventh Circuit
Jurisdiction
Federal
Date
1925-05-29
Topic
general

EVAN A. EVANS, Circuit Judge. The present suit was brought to enjoin the infringement of claim 42, patent No. 965,887, covering a multiple copying machine. The same claim was before, this court and upheld in 284 F. 242. The sharply controverted issue on that appeal was one of infringement.

Citator

Heyer Duplicator Co. v. Ditto, Inc. has been questioned or limited by later authorities: relies on overruled authority: 213 U.S. 325 (overruled by Mercoid Corp. v. Mid-Continent Investment Co.). Read them before relying on it. 1 later decision cites it.

Authority status
caution
Cited by
1 opinion