I remember reading an article by jerry pournelle, and I swear I read that the publisher would (could?) assign the copyright back to the writer for the second 28

I remember reading an article by jerry pournelle, and I swear I read that the publisher would (could?) assign the copyright back to the writer for the second 28 years. all I could find is this though: https://web.archive.org/web/20160728061257/https://www.jerrypournelle.com/chaosmanor/2012/12/11/ https://web.archive.org/web/20160728061257/https://www.jerry...