National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.
Court of Appeals for the Eighth Circuit
Appeals from tbe Circuit Court of tbe United States for tbe Eastern District of Missouri. In tbe year 1897 tbe Chicago Railway-Equipment Company brought a suit in equity in tbe court below against tbe Interchangeable Brake-Beam Company for the infringement of letters patent No. 486,218, issued to Henry B. Rob-isebung, for improvements in brake beams.
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Appeals from tbe Circuit Court of tbe United States for tbe Eastern District of Missouri. In tbe year 1897 tbe Chicago Railway-Equipment Company brought a suit in equity in tbe court below against tbe Interchangeable Brake-Beam Company for the infringement of letters patent No. 486,218, issued to Henry B. Rob-isebung, for improvements in brake beams. At the same time the National Hollow Brake-Beam Company and tbe Chicago Railway-Equipment Company exhibited their bill in equity in tbe court below against the Interchangeable Brake-Beam Company, and prayed for an accounting and an injunction on…
1Opinion of the CourtSanborn, Circuit Judge
Four of the fourteen claims in issue upon these appeals involve the cardinal principle of the appellants’ hollow metallic brake beam. The remaining ten relate to slight improvements and minor details of *697construction. The four cardinal claims are the second claim of patent No. 861,009, to Hien, dated April 12, 1887, and the first, second, and seventh claims of patent No. 480,194, to him, dated August 2, 1892. The subject of these claims is a hollow metallic railway brake beam. The object which the patentee sought to attain was to provide a lighter, simpler, less expensive, and more efficient…
2Cases cited84 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Seymour v. OsborneSupreme Court of the United States · 1871
- McClain v. OrtmayerSupreme Court of the United States · 1891
- MacHine Co. v. MurphySupreme Court of the United States · 1878
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3Cited by192 opinions
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- State Ex Rel. Florida Bar v. SperrySupreme Court of Florida · 1962
- Ide v. Trorlicht, Duncker & Renard Carpet Co.Court of Appeals for the Eighth Circuit · 1902
- New York Scaffolding Co. v. WhitneyCourt of Appeals for the Eighth Circuit · 1915
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