Rolls-Royce Limited, Derby, England, a British Company v. The United States and United Aircraft Corporation, Defendant-Intervenor

COWEN, Chief Judge:

Plaintiff, a British corporation engaged in the manufacture of aircraft engines, has brought this action for patent infringement against the United States under 28 U.S.C. § 1498. Plaintiff is the owner of a United States patent which describes and claims a metal alloy used in the making of turbine blades of jet engines. The particular utility of the invention is said to lie in the fact that the alloy resists softening and deformation at extremely high temperatures. Plaintiff claims that the Department of Defense, without license or consent of plaintiff and without any other…