Legal Opinion
Vanadium Corp. Of America v. Marzall
Court of Appeals for the D.C. Circuit
Decided May 8, 1952No. 10928PublishedCited by 5 opinions
1Opinion of the Court
WASHINGTON, Circuit Judge.
This is a suit under R.S. § 4915, 35 U.S. C.A. § 63, seeking to patent a process for the manufacture of the metal manganese by electrolysis. To the established initial steps of the standard processes for producing the electrolytic solution, as disclosed in the patent to Hannay, et al., No. 2,259,418, and in a Bureau of Mines bulletin described as Report of Investigation No. 3406, plaintiff-appellant would add a final step. This involves the addition of iron, usually as ferrous sulphate, to the solution resulting from the initial stages of the standard processes, for…
2Cases cited5 opinions
- Atlantic Works v. BradySupreme Court of the United States · 1883
- Standard Oil Development Co. v. Marzall, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1950
- L. Sonneborn Sons, Inc. v. CoeCourt of Appeals for the D.C. Circuit · 1939
- Fay, United States Attorney v. HunsterCourt of Appeals for the D.C. Circuit · 1950
- General Motors Corp. v. Preferred Electric & Wire Corp.Court of Appeals for the Second Circuit · 1940
3Cited by5 opinions
- Shell Development Co. v. Pure Oil Co.District Court, District of Columbia · 1953
- Metals Disintegrating Company, Inc. v. Reynolds Metals CompanyCourt of Appeals for the Third Circuit · 1956
- George Alexander Mills and Houdry Process Corp. v. Robert C. Watson, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1955
- Ruth v. Blue River ConstructorsDistrict Court, D. Colorado · 1963
- Aero-Mecaniques v. MarzallDistrict Court, District of Columbia · 1952