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.