Bradford v. Belknap Motor Co.
Court of Appeals for the First Circuit
Appeal from the Circuit Court of the United States for the District of Maine.
1Opinion of the Court
BROWN, District Judge.
This appeal raises the question of infringement of patent No. 535,158, to Julien M. Bradford, dated March 5, 1895, for “method of, and apparatus for, regulating electric circuits.” Claims 1, 2, 4, and 5 are in issue.
The appellant contends that the patent is essentially for a new method of utilizing an electric current, and that the method claims are of first importance. They are:
“(4) The method of governing the action of a current-varying apparatus, which consists in simultaneously releasing and actuating said current-varying apparatus by differential power the instant…
2Cited by3 opinions
- Tompkins v. St. Regis Paper Co.Court of Appeals for the Second Circuit · 1916
- General Chemical Co. v. Selden Co.District Court, W.D. Pennsylvania · 1932
- Kestner Evaporator Co. v. American Evaporator Co.U.S. Circuit Court for the District of Eastern Pennsylvania · 1910