Legal Opinion
Hughes v. Magnolia Petroleum Co.
Court of Appeals for the Fifth Circuit
Decided March 17, 1937No. 8249PublishedCited by 22 opinions
1Opinion of the Court
HUTCHESON, Circuit Judge.
The suit was against defendant as an infringer of letters patent, No. 1,379,690, for an improvement in oil pumps. The prayer was for a decree establishing plaintiff’s right under the patent, and enjoining and restraining defendant from using or in any way dealing with it, for injunction, for profits, for actual and statutory damages, and for general relief. There was a decree adjudging that the patent was valid but not infringed, and dismissing the bill. Appellants complain of the finding as based upon an erroneous construction of the patent as for a combination…
2Cases cited7 opinions
- United States & Interstate Commerce Commission v. American Railway Express Co.Supreme Court of the United States · 1924
- Morley Construction Co. v. Maryland Casualty Co.Supreme Court of the United States · 1937
- Shepard v. CarriganSupreme Court of the United States · 1886
- Dry Hand Mop Co. v. Squeez-Ezy Mop Co.Court of Appeals for the Fifth Circuit · 1927
- Edwards v. Johnston Formation Testing Corp.District Court, S.D. Texas · 1930
2 more not listed; retrieve them via the Exa API.
3Cited by22 opinions
- Karl Ziegler, Plaintiff-Appellant-Cross-Appellee v. Phillips Petroleum Company, Defendant-Appellee-Cross-AppellantCourt of Appeals for the Fifth Circuit · 1973
- Stewart-Warner Corp. v. Lone Star Gas Co.Court of Appeals for the Fifth Circuit · 1952
- Southern States Equipment Corp. v. Usco Power Equipment Corp. Usco Power Equipment Corp. v. Southern States Equipment CorpCourt of Appeals for the Fifth Circuit · 1953
- Matthews v. Koolvent Metal Awning Co.Court of Appeals for the Fifth Circuit · 1946
- Foster Cathead Company v. Malvern M. Hasha and International Tool Company, Inc.Court of Appeals for the Fifth Circuit · 1967
17 more not listed; retrieve them via the Exa API.