Electric Car Co. of America v. Hartford & W. H. R. Co.
U.S. Circuit Court for the District of Connecticut
This was a suit in equity by the Electric Car Company of America and the Thomson-Houston Electric Company against the Hartford & West Hartford Railroad Company and others for alleged infringement of a patent for a controlling switch, adapted to be applied to electric motors.
1Opinion of the Court
TOWNSEND, District Judge.
The patent in suit (No. 393,323, granted to complainants as assignees of George II. Condict) is for a controlling switch, adapted to be applied to electric motors. The issues herein relate to its use in connection with electrically propelled cars on ordinary trolley lines. The particular apparatus under consideration is the cylinder shaped switch or controller located on the ends of such cars. The current of electricity supplied from the generator and delivered to the motor is necessarily of unvarying potential; that is, it must always have a capacity to supply the…
2Cited by4 opinions
- Electric Car Co. v. Nassau Electric R. Co.U.S. Circuit Court for the District of Eastern New York · 1898
- Thomson-Houston Electric Co. v. Exeter, H. & A. St. Ry. Co.U.S. Circuit Court for the District of Massachusetts · 1901
- Thomson-Houston Electric Co. v. Nassau Electric R. Co.U.S. Circuit Court for the District of Eastern New York · 1901
- Electric Car Co. v. Walker Co.U.S. Circuit Court for the District of Southern New York · 1898