Legal Opinion

Weston Electrical Instrument Co. v. Jewell

U.S. Circuit Court for the District of Southern New York

Decided March 2, 1904PublishedCited by 5 opinions

In Equity.

1Opinion of the Court

WHEELER, District Judge.

This suit is brought for an alleged infringement of patent No. 392,387, dated November 6, 1888, and granted to Edward Weston, for an electrical measuring apparatus. The defenses are anticipation, lack of patentable novelty, and non-infringement.

It seems to be a principle of electrical and magnetic philosophy that a direct current of electricity passing through a movable coil situated in a magnetic field will move the coil against steady less resistance in the field in proportion in distance to the strength of the current. The measurements will remain the same while the…

2Cited by5 opinions

  1. Colman v. Byrd Mfg. Co.District Court, E.D. North Carolina · 1912
  2. Weston Electrical Instrument Co. v. Whitney Electrical Instrument Co.U.S. Circuit Court for the District of Southern New York · 1904
  3. Weston Electrical Instrument Co. v. Empire Electrical Instrument Co.U.S. Circuit Court for the District of Southern New York · 1904
  4. Weston Electrical Instrument Co. v. StevensCourt of Appeals for the Second Circuit · 1904
  5. Weston Electrical Instrument Co. v. StevensU.S. Circuit Court for the District of Southern New York · 1904

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