Legal Opinion
Otis Pressure Control, Inc. v. Guiberson Corp.
Court of Appeals for the Fifth Circuit
Decided January 15, 1940No. 9226PublishedCited by 8 opinions
1Opinion of the Court
HUTCHESON, Circuit Judge.
A patent infringement suit, the bill of complaint included a claim of unfair competition on behalf of one of the plaintiffs. The patents relied upon in the bill as originally filed included the two involved in this appeal, to Collins, 1,560,763, for a packing head and blow out preventer, for rotary type well drilling apparatus, issued November 10, 1925; and to MacClatchie, 1,708,316, for a blow out preventer, issued April 9, 1929, and four others.
In the course of the trial, and of the preparation for the appeal, all except the Collins and MacClatchie patents went out…
2Cases cited4 opinions
- Carbide & Carbon Chemicals Corp. v. Texas Co.District Court, S.D. Texas · 1927
- Carbide & Carbon Chemicals Corp. v. Texas Co.Court of Appeals for the Fifth Circuit · 1929
- Johnston Formation Testing Corp. v. HalliburtonCourt of Appeals for the Fifth Circuit · 1937
- Atlas Trailers & Water Mufflers, Inc. v. Gray's Iron Works, Inc.District Court, S.D. Texas · 1930
3Cited by8 opinions
- O'LEARY v. Liggett Drug Co.Court of Appeals for the Sixth Circuit · 1945
- Butex Gas Co. v. Southern Steel Co.Court of Appeals for the Fifth Circuit · 1941
- Muse v. MellinDistrict Court, S.D. New York · 1962
- Guiberson Corp. v. Garrett Oil Tools, Inc.Court of Appeals for the Fifth Circuit · 1953
- Hall Laboratories, Inc. v. Economics Laboratory, Inc.Court of Appeals for the Eighth Circuit · 1948
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