Legal Opinion
Condit Electrical Mfg. Co. v. Westinghouse Electric & Mfg. Co.
Court of Appeals for the First Circuit
Decided November 6, 1912No. 963PublishedCited by 4 opinions
Appeal from the District Court of the United States for the District of Massachusetts; Clarence Hale, Judge. Suit in equity by the Westinghouse Electric & Manufacturing Company against the CondJit Electrical Manufacturing Company. Decree for complainant, and defendant appeals.
1Opinion of the Court
BROWN, District Judge.
This appeal relates to claims 3 and 4 of letters patent to A. J. Wurts, No. 570,416, October 27, 1896, for, circuit-interrupting device. Claims 3 and 4 áre as follows;
“3. The combination with a plurality of systems of electrical distribution provided with circuit-interrupting devices, controlling-magnets and normally open local circuits therefor fed by an independent source of current, of means actuated by an excessive current in any one of the main circuits for closing the corresponding local circuit, and a plurality of circuit-closing devices lo- . cat.ed át a distant…
2Cases cited1 opinion
- Morgan Envelope Co. v. Albany Perforated Wrapping Paper Co.Supreme Court of the United States · 1894
3Cited by4 opinions
- General Electric Co. v. SteinbergerDistrict Court, E.D. New York · 1913
- L. S. Starrett Co. v. Brown & Sharpe Mfg. Co.Court of Appeals for the First Circuit · 1913
- In re AbrahamsenCourt of Customs and Patent Appeals · 1931
- Racine Confectioners' Machinery Co. v. Metro Chocolate Co.District Court, E.D. New York · 1924