Notes:
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1941, New Series, Vol. 36, No. 1 and confirmed by the trademark submission for the Minute Man logo (see that sequence)
Notes:
Minute Man logo trademark information: (Submission) Trademark serial #: 444,825. Fawcett Publications, Inc., Greenwich, Conn. Filed June 25, 1941. "Minute Man" (logo), For Comic Strips or Section of a Periodical Publication. Claims use since Jan. 3, 1941. Published in the Official Gazette for the United States Patent Office Volume 544, November 17, 1942.
(Granted) Trademark #: 399,792. Registration granted in the Official Gazette for the United States Patent Office Volume 547, February 2, 1943, p. 19.