User blog comment:Mattd43/Public Domain Space Heroes./@comment-1344996-20100609063409

Regarding Buck Rogers' original copyrights - looking it up by his original creator's name is a good start.


 * Cross-references his name against online copyright records*

Long story short, the rights to the original strips have either reverted to Nowlan's heirs already or will revert upon termination date. They also reclaimed the rights to all episodes of the 1939 Universal film serial