Gold v. Gold
Court of Appeals for the Seventh Circuit
Appeal from the District Court of the United States for the Eastern Division of the Northern District of Illinois. Suit in equity by Edward E. Gold against .Egbert H. Gold and the Chicago Car Heating Company. Decree for complainant, and defendants appeal.
1Opinion of the Court
MACK, Circuit Judge.
Appellee brought súit under R. S. § 4915 (Comp. St. 1913, § 9460), to obtain letters patent. The invention is for an improvement upon the “Sewall” or straight port coupler for connecting the lengths of rubber hose for steam-heating pipes of railway, cars, so that, while not preventing tHeir unlocking when the cars separate, it shall prevent accidental uncoupling. A lock thus affording sufficient resistance to prevent accidental uncoupling is called an impositive lock.
*85The District Court not only granted the prayer of the bill, but it also declared appellant Gold’s patent as…
2Cases cited1 opinion
- Morgan v. DanielsSupreme Court of the United States · 1894
3Cited by22 opinions
- Abbott v. CoeCourt of Appeals for the D.C. Circuit · 1939
- Globe-Union, Inc. v. Chicago Telephone Supply Co.Court of Appeals for the Seventh Circuit · 1939
- Radtke Patents Corporation v. CoeCourt of Appeals for the D.C. Circuit · 1941
- Loughran v. Quaker City Chocolate & Confectionery Co.Court of Appeals for the Third Circuit · 1924
- Rex Chainbelt Inc. v. Borg-Warner Corporation, Rex Chainbelt Inc. v. Carman Industries, Inc.Court of Appeals for the Seventh Circuit · 1973
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