Edison Electric Light Co. v. Novelty Incandescent Lamp Co.
Court of Appeals for the Third Circuit
Appeal from the Circuit Court of the United States for the Western District of Pennsylvania. For opinion below, see 161 Fed. 549. Before DALLAS and GRAY, Circuit Judges, and ARCHBALD, District Judge.
1Opinion of the Court
ARCHBALD, District Judge.
The patent in suit is for a leading-in wire for incandescent electric lamps. It was taken out by Thomas A. Edison, January 13, 1891, but, being found to be too broad, a reissue was obtained October 10, 1905, and it is on this that the suit is based. Infringement is admitted, the validity of the patent being the only question.
The leading-in wire of an electric lamp conducts the current to the filament within the bulb, and having to be sealed in, air-tight, where it enters the bulb, in order to preserve the vacuum within, a metal must be employed whose coefficiency of…
2Cases cited2 opinions
- Daylight Glass Mfg. Co. v. American Prismatic Light Co.Court of Appeals for the Third Circuit · 1905
- Rainear v. Western Tube Co.Court of Appeals for the Third Circuit · 1908
3Cited by8 opinions
- Stead Lens Co. v. Kryptok Co.Court of Appeals for the Eighth Circuit · 1914
- Kryptok Co. v. Stead Lens Co.District Court, W.D. Missouri · 1913
- Beckwith v. Malleable Iron Range Co.U.S. Circuit Court for the District of Eastern Wisconsin · 1910
- Balaban v. Polyfoto CorporationDistrict Court, D. Delaware · 1942
- In Re BagerCourt of Customs and Patent Appeals · 1931
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