George Ertel Co. v. Stahl
Court of Appeals for the Seventh Circuit
Appeal from the Circuit Court of the United States for the Southern District of Illinois. Suit by one Stahl against the George Ertel Company to enjoin infringement of a patent for an improvement for regulating mechanism for incubators. From an order allowing an injunction pendente lite, defendants appeal.
1Opinion of the Court
JENKINS. Circuit Judge.
This is an appeal from an order allowing an injunction pendente lite, upon hill filed to enjoin the alleged infringement of the second claim of patent No. 210,559, issued November 11, 1878, to Edward S. lienwick, for “improvement in regulating mechanism for incubators,” etc. The invention relates to a mechanism for opening and closing heat-controlling valves by which the temperature of the chamber of the incubator is regulated. The mechanism is controlled by the expansion and contraction of thermostatic bars arranged within, and influenced by the temperature of, the…
2Cases cited1 opinion
- Standard Elevator Co. v. Crane Elevator Co.Court of Appeals for the Seventh Circuit · 1893
3Cited by2 opinions
- George Ertel Co. v. StahlCourt of Appeals for the Seventh Circuit · 1895
- Palmer Pneumatic Tire Co. v. Newton Rubber WorksU.S. Circuit Court for the District of Western Virginia · 1896