Thomson-Houston Electric Co. v. Illinois Telephone Const. Co.
U.S. Circuit Court for the Northern District of Illnois
In Equity. Suit for infringement of patent. On motion for preliminary injunction.0
1Opinion of the Court
KOHLSAAT, Circuit Judge.
This cause is based upon infringement of patent No. 424,695, issued to Charles J. Van Depoele April 1, 1890, for an improvement in suspended switch and traveling contact for electric railways, and is now before the court upon a motion for a preliminary injunction. The claims involved in the proceeding are those numbered 3, 4, 11, 19, 20, 23, 25, 26, and 27, which read as follows:
“(3) The combination, With an overhead wire for receiving an underneath contact, of a switch plate attached to the wire in about the same horizontal plane as the wire.
“(4) The combination of a…
2Cases cited9 opinions
- United States v. American Bell Telephone Co.Supreme Court of the United States · 1897
- Heaton-Peninsular Button-Fastener Co. v. Eureka Specialty Co.Court of Appeals for the Sixth Circuit · 1896
- Thomson-Houston Electric Co. v. Ohio Brass Co.Court of Appeals for the Sixth Circuit · 1897
- Palmer Pneumatic Tire Co. v. LozierCourt of Appeals for the Sixth Circuit · 1898
- Victor Talking Mach. Co. v. FairCourt of Appeals for the Seventh Circuit · 1903
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3Cited by4 opinions
- Jacquard Knitting MacHine Co. v. Ordnance Gauge Co.District Court, E.D. Pennsylvania · 1951
- In Re MuskatCourt of Customs and Patent Appeals · 1951
- Waterbury Buckle Co. v. G. E. Prentice Mfg. Co.District Court, D. Connecticut · 1923
- Western Electric Co. v. General Talking Pictures Corp.District Court, S.D. New York · 1936