Legal Opinion
Guiberson Corp. v. Garrett Oil Tools, Inc.
Court of Appeals for the Fifth Circuit
Decided August 7, 1953No. 14358_1PublishedCited by 18 opinions
1Opinion of the Court
HUTCHESON, Chief Judge.
The suit was for infringement of Letters Patent No. 2,519,242, issued to Garrett and Peters for a pressure responsive valve.
The claim was that the valve presented a new combination 1 of great utility in controlling the flow of gas into a well tubing thousands of feet below ground surface to stimulate the production of oil from the well, and that defendant had infringed and was continuing to infringe the plaintiff’s patent.
The defenses were: (1) that the patent was invalid because of anticipation; (2) there was prior knowledge, prior publication, prior use or prior…
2Cases cited8 opinions
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Grinnell Washing MacHine Co. v. E. E. Johnson Co.Supreme Court of the United States · 1918
- C-O-Two Fire Equipment Co. v. Barnes, JudgeCourt of Appeals for the Seventh Circuit · 1952
- Butex Gas Co. v. Southern Steel Co.Court of Appeals for the Fifth Circuit · 1941
- Dalton v. Shakespeare Co.Court of Appeals for the Fifth Circuit · 1952
3 more not listed; retrieve them via the Exa API.
3Cited by18 opinions
- Fourco Glass Co. v. Transmirra Products Corp.Supreme Court of the United States · 1957
- Thomas E. Bryan v. Sid W. Richardson, Inc.Court of Appeals for the Fifth Circuit · 1958
- Joseph P. Ruth, Sometimes Also Known as J. P. Ruth v. The Eagle-Picher Company, a CorporationCourt of Appeals for the Tenth Circuit · 1955
- Transmirra Products Corp. And Robert Aronstein v. Fourco Glass Co.Court of Appeals for the Second Circuit · 1956
- Bryan v. Garrett Oil Tools, Inc.Court of Appeals for the Fifth Circuit · 1957
13 more not listed; retrieve them via the Exa API.