Legal Opinion
Westinghouse Electric & Mfg. Co. v. Condit Electrical Mfg. Co.
U.S. Circuit Court for the District of Southern New York
Decided January 7, 1908No. 1PublishedCited by 2 opinions
In Equity. Bill of complaint alleging infringement by defendant of claims 2 and 5 of U. S. letters patent to Gilbert Wright and Christian Aalborg, for “Automatic Circuit Breaker,” No. 633,772, dated September 26, 1899, application filed March 23, 1899.
1Opinion of the Court
RAY, District Judge.
The patentees in the specifications of the patent say:
“Oar invention relates to devices employed for automatically opening electric circuits upon the passage therethrough of a current materially in excess of that which the circuit is intended to carry. The object of our invention is to provide a circuit-breaker that shall have a large current-carrying capacity in proportion to the mechanical dimensions of the device, which shall bo easily brought into operative position and locked therein, which shall be certainly and (juickly opened whenever the current in the circuit…
2Cases cited9 opinions
- Winans v. DenmeadSupreme Court of the United States · 1854
- Railway Co. v. SaylesSupreme Court of the United States · 1878
- Cimiotti Unhairing Co. v. American Fur Refining Co.Supreme Court of the United States · 1905
- Imhaeuser v. BuerkSupreme Court of the United States · 1880
- Gill v. WellsSupreme Court of the United States · 1874
4 more not listed; retrieve them via the Exa API.
3Cited by2 opinions
- Peirce Specialty Co. v. Harvard Electric Co.U.S. Circuit Court for the Northern District of Illnois · 1911
- Westinghouse Electric & Mfg. Co. v. Roller-Smith Co.Court of Appeals for the Second Circuit · 1914