Legal Opinion
Nachtman v. Jones & Laughlin Steel Corp.
District Court, W.D. Pennsylvania
Decided August 4, 1955No. Civ. A. 8906PublishedCited by 6 opinions
1Opinion of the Court
WILLSON, District Judge.
This patent case was tried to a jury. Plaintiff, John S. Nachtman, in his complaint alleged that the defendant, Jones & Laughlin Steel Corporation, in its elec-tro tin line has infringed four of plaintiff’s patents, that is Reissue Patent 20,-788, issued July 12, 1938; Patent 2,240,-265, issued April 29, 1941; Patent 2,-459,674, issued January 18, 1949; and Patent 2,576,074, issued November 20, 1951. The defense was invalidity of the patents and noninfringement. The jury, in answering an interrogatory as to each patent, found that each was valid and infringed. In the…
2Cases cited25 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Gunning v. CooleySupreme Court of the United States · 1930
- Wilkerson v. McCarthySupreme Court of the United States · 1949
- Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
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3Cited by6 opinions
- Edward J. Kennedy, Henry Martinez, Herman Paprzycki and Dominick Stabilito v. Lakso Company, IncCourt of Appeals for the Third Circuit · 1969
- Wayne-Gossard Corp. v. Sondra, Inc.District Court, E.D. Pennsylvania · 1977
- Crown MacHine & Tool Co. v. K v P-Sutherland Paper Co.District Court, N.D. California · 1968
- John S. Nachtman v. Jones & Laughlin Steel CorporationCourt of Appeals for the Third Circuit · 1956
- L. B. Smith, Inc. v. HughesDistrict Court, E.D. Pennsylvania · 1961
1 more not listed; retrieve them via the Exa API.