Legal Opinion

General Electric Co. v. Nitro-Tungsten Lamp Co.

District Court, S.D. New York

Decided October 27, 1919PublishedCited by 9 opinions

In Equity. Suit by the General Electric Company against the NitroTungsten Ramp Company for infringement of all 13 claims of letters patent No. 1,180,159, issued April 18, 1916, to plaintiff, on application filed on April 19, 1913, by Irving Rangmuir.

1Opinion of the Court

MAYER, District Judge.

Invention is the substantial question involved, for, if established, infringement of certain claims is unquestioned. The search for improvement in lighting means began at least as far back as about 1840, but the real art in incandescent lamps started with Edison in 1879, when he created the commercial incandescent lamp by producing the one-piece bulb, the carbon filament and the vacuum.

To those skilled in the art the details of Edison’s contribution need not be recited. It so happens that much of the outline of the progress of this art is to be found in reports of court…

2Cases cited4 opinions

  1. General Electric Co. v. Laco-Philips Co.Court of Appeals for the Second Circuit · 1916
  2. Edison Electric Light Co. v. United States Electric Lighting Co.Court of Appeals for the Second Circuit · 1892
  3. Eibel Process Co. v. Remington-Martin Co.Court of Appeals for the Second Circuit · 1916
  4. Edison Electric Light Co. v. Waring Electric Co.U.S. Circuit Court for the District of Connecticut · 1894

3Cited by9 opinions

  1. General Electric Co. v. Nitro Tungsten Lamp Co.Court of Appeals for the Second Circuit · 1920
  2. General Electric Co. v. AlexanderDistrict Court, S.D. New York · 1921
  3. General Electric Co. v. Minneapolis Electric Lamp Co.District Court, D. Minnesota · 1924
  4. General Electric Co. v. P. R. Mallory & Co.District Court, S.D. New York · 1923
  5. General Electric Co. v. P. R. Mallory & Co.District Court, S.D. New York · 1923

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