Legal Opinion
Skelly Oil Co. v. Universal Oil Products Co.
Court of Appeals for the Third Circuit
Decided February 26, 1929No. 3781PublishedCited by 50 opinions
1Opinion of the Court
WOOLLEY, Circuit Judge.
Speaking of the parties as they stood in the trial court, the plaintiff, owner of Letters Patent No. 1,-281,884, issued in 1918 to M. J. Trumble, brought this action against the defendant (Skelly Oil Company) for infringement of claims 1, 2, 3 and 4. Against the defenses of want of invention, anticipation and non-infringement the trial court found the four claims in suit valid and process claim 2 and apparatus claim 4 infringed. (D. C.) 20 F.(2d) 995; (D. C.) 23 F.(2d) 111. The defendant took this appeal which is directed, and limited, to validity and infringement of…
2Cases cited5 opinions
- Air Reduction Co. v. Carbo-Oxygen Co.District Court, D. Delaware · 1926
- Southern Electro-Chemical Co. v. E. I. Du Pont De Nemours & Co.Court of Appeals for the Third Circuit · 1927
- Air Reduction Co. v. Carbo-Oxygen Co.Court of Appeals for the Third Circuit · 1927
- Universal Oil Products Co. v. Skelly Oil Co.District Court, D. Delaware · 1927
- Universal Oil Products Co. v. Skelly Oil Co.District Court, D. Delaware · 1927
3Cited by50 opinions
- Dewey & Almy Chemical Co. v. Mimex Co.Court of Appeals for the Second Circuit · 1942
- Baldwin-Lima-Hamilton Corp. v. Tatnall Measuring Systems Co.District Court, E.D. Pennsylvania · 1958
- Carl Otto v. Koppers Company, Inc., a Delaware Corporation, and Wheeling Steel Corporation, a Delaware CorporationCourt of Appeals for the Fourth Circuit · 1957
- Cold Metal Process Co. v. Carnegie-Illinois Steel Corp.Court of Appeals for the Third Circuit · 1939
- Hartford-Empire Co. v. Hazel-Atlas Glass Co.Court of Appeals for the Third Circuit · 1932
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