Legal Opinion

Laufenberg, Inc. v. Goldblatt Bros., Inc

Court of Appeals for the Seventh Circuit

Decided February 10, 1950No. 9962_1PublishedCited by 5 opinions

1Opinion of the Court

LINDLEY, Circuit Judge.

Plaintiff brought suit for infringement of its three patents, Wimmer, No. 1,863,211, Herodes et al., No. 2,180,902 and Laufen-berg, No. D-150,306. Before trial it withdrew Wimmer and all claims of Herodes except claim 2. The court directed that the dismissal as to Wimmer and as to claims 1, 3, 4 and 5 of Herodes be with prejudice. At the conclusion of the trial, the court held both Laufenberg and Hero-des invalid and claim 2 of Herodes if valid, not infringed. Plaintiff appealed from so much of the judgment' as decreed the Laufenberg patent and claims 1, 3, 4 and 5 of…

2Cases cited15 opinions

  1. Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
  2. Smith v. Whitman Saddle Co.Supreme Court of the United States · 1893
  3. Ensten v. Simon, Ascher & Co.Supreme Court of the United States · 1931
  4. Maytag Co. v. Hurley MacHine Co.Supreme Court of the United States · 1939
  5. H. D. Smith & Co. v. PeckCourt of Appeals for the Second Circuit · 1919

10 more not listed; retrieve them via the Exa API.

3Cited by5 opinions

  1. Chemical Construction Corporation v. Jones & Laughlin Steel Corporation, Chemical Construction Corporation v. Jones & Laughlin Steel CorporationCourt of Appeals for the Third Circuit · 1962
  2. Laufenberg, Inc. v. Goldblatt Bros., IncCourt of Appeals for the Seventh Circuit · 1951
  3. Ashland Oil, Inc. v. Delta Oil Products CorporationCourt of Appeals for the Seventh Circuit · 1982
  4. Amerock Corporation v. Aubrey Hardware Manufacturing, Inc.Court of Appeals for the Seventh Circuit · 1960
  5. Industrial Models Corp. v. KurtzDistrict Court, E.D. Michigan · 1951

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