Legal Opinion
Texas Rubber & Specialty Corp. v. D. & M. MACHINE WORKS
Court of Appeals for the Fifth Circuit
Decided January 22, 1936No. 7707PublishedCited by 11 opinions
1Opinion of the Court
SIBLEY, Circuit Judge.
A decree was rendered upholding patent No. 1,718,474 issued June 25, 1929, to John W. McQuaid, for a piston for slush pumps, adjudging infringement by a similar piston made and sold by Texas Rubber & Specialty Company and H. W. Mill-mine, and awarding injunction and a refr erence to take an account. This appeal contests the validity of the patent and denies infringement.
During the past two.decades oil wells have been drilled to depths sometimes exceeding two miles by the use of hollow drill stems through which very soft mud called “slush” is continuously pumped, passing…
2Cases cited7 opinions
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Dunbar v. MyersSupreme Court of the United States · 1876
- Temco Electric Motor Co. v. Apco Manufacturing Co.Supreme Court of the United States · 1928
- American Fruit Growers, Inc. v. Brogdex Co.Supreme Court of the United States · 1931
- Wright v. YuenglingSupreme Court of the United States · 1894
2 more not listed; retrieve them via the Exa API.
3Cited by11 opinions
- Stewart-Warner Corp. v. Lone Star Gas Co.Court of Appeals for the Fifth Circuit · 1952
- Consolidated Electrodynamics Corporation, a Corporation v. Midwestern Instruments, Inc., a CorporationCourt of Appeals for the Tenth Circuit · 1958
- Strong-Scott Mfg. Co. v. WellerCourt of Appeals for the Eighth Circuit · 1940
- Lincoln Stores, Inc. v. Nashua Mfg. Co.Court of Appeals for the First Circuit · 1946
- Seismograph Service Corp. v. Offshore Raydist, Inc.District Court, E.D. Louisiana · 1955
6 more not listed; retrieve them via the Exa API.