ule 62(b). Singer United States, 1965, 380 U.S. i 24, 38, 5 S.Ct. 783, 13 L.Ed.2d 630; Jones v. United States, 8 Cir., 1968, 396 F.2d 66, 67-68; Rimerman I United States, 8 Cir., 1967, 374 F.2d 51, 255. cert. denied, 1961, 387 U.S. 931 87 S.Ct. 2053. 18 L.Ed.2d 992; Aggers I United States, 8 Cir.,