Section, acts June 25, 1948, ch. 646, 62 Stat. 928; Oct. 31, 1951, ch. 655, 47, 65 Stat. 726; July 7, 1958, Pub. L. 85–508, § 12(e), (f), 72 Stat. 348; Mar. 18, 1959, Pub. L. 86–3, § 14(a), 73 Stat. 10, provided for direct appeals to Supreme Court from decisions invalidating Acts of Congress.