“ Recognizing that this is so, counsel for the plaintiff, in his brief, not only frankly concedes that he finds no statute in point, but endeavors to maintain the jurisdiction of the district court by a reference to the general powers of Federal courts when sitting as courts of equity; evidently forgetting that such powers can be exerted only in cases otherwise within the jurisdiction of those courts as defined by Congress. ”

“ A suit for royalties reserved upon the sale of a patent right is not a suit arising under the patent laws. This is settled by repeated decisions. Albright v. Teas, 106 U.S. 613, 27 L. ed. 295, 1 Sup. Ct. Rep. ”