Steel & Tubes, Inc. v. National Tube Co.
District Court, W.D. Pennsylvania
1Opinion of the Court
SCHOONMAKER, District Judge.
This is a patent infringement suit. From bill, answer, and proofs, we find the following facts:
Findings of Fact.
1. The plaintiff-corporation is the owner of three United States patents in suit, i. e.,(a) Johnson patent No. 1,388,434, granted August 23, 1921, for method and apparatus for butt-welding their gage-tubing, of which patent claims 1, 2, 4, 5, 10, 14, 17, and 19 are in suit.(b) Johnson patent No. 1,435,306, granted November 14, 1922, for butt-welded thin-walled tubing, of which patent claims 3, 5, 6, and 9 are in suit.(c) Belmont patent No. 1,611,875,…
2Cases cited7 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Tompkins-Hawley-Fuller Co. v. HoldenCourt of Appeals for the Second Circuit · 1921
- Elyria Iron & Steel Co. v. Mohegan Tube Co.Court of Appeals for the Second Circuit · 1925
- Steel & Tubes, Inc. v. Greenpoint Metallic Bed Co.District Court, E.D. New York · 1929
- Otis Elevator Co. v. Interborough Rapid Transit Co.Court of Appeals for the Second Circuit · 1915
2 more not listed; retrieve them via the Exa API.
3Cited by1 opinion
- Steel & Tubes, Inc. v. Clayton Mark & Co.District Court, D. Delaware · 1937