Legal Opinion
Universal Sewer Pipe Corp. v. General Const. Co.
District Court, N.D. Ohio
Decided September 26, 1941No. 20060PublishedCited by 7 opinions
1Opinion of the Court
WILKIN, District Judge.
The complaint alleges infringement of U. S. Letters Patent No. 1,979,470, and prays an injunction and an accounting for profits and damages. The answer and the amended answer set up three defenses: (1) invalidity because of anticipation; (2) non-infringement; and (3) unlawful use of the patent by the plaintiffs to establish a monopoly in unpatented commodities.
At the trial, George L. Wirtz, President of the Atlas Mineral Products Company, appeared as a witness and testified that such company was conducting the defense of the action and bearing the entire expense in…
2Cases cited7 opinions
- Morton Salt Co. v. G. S. Suppiger Co.Supreme Court of the United States · 1942
- Leitch Manufacturing Co. v. Barber Co.Supreme Court of the United States · 1938
- B. B. Chemical Co. v. EllisSupreme Court of the United States · 1942
- American Lecithin Co. v. Warfield Co.Court of Appeals for the Seventh Circuit · 1939
- B. B. Chemical Co. v. EllisCourt of Appeals for the First Circuit · 1941
2 more not listed; retrieve them via the Exa API.
3Cited by7 opinions
- Hartford-Empire Co. v. United StatesSupreme Court of the United States · 1945
- Campbell v. MuellerCourt of Appeals for the Sixth Circuit · 1947
- Sylvania Industrial Corporation v. Visking CorporationCourt of Appeals for the Fourth Circuit · 1943
- Johnston v. Atlas Mineral Products Co.Court of Appeals for the Sixth Circuit · 1944
- General Tire & Rubber Co. v. Firestone Tire & Rubber Co.District Court, N.D. Ohio · 1972
2 more not listed; retrieve them via the Exa API.