"Section 164, act Mar. 8, 1918, ch. 20, ??603, 40 Stat. 449, provided that the act of Mar. 8, 1918, remain in force until the termination of the war and for six months thereafter and that the provisions of the Act remain in effect as long as necessary for the exercise or enjoyment of any proceeding, remedy, privilege, stay, limitation, accounting, or other transaction authorized by the Act." . . . . . .