> It's more complicated than that. Works published from 1978 or later (when the 1976 Copyright Act kicked in) is life + 70 years. Works published before then are 95 dates from publication.

Actually, it's more complicated than that: for post-1978 works, life + 70 is for works of individual authors, 95 years is for works of corporate authorship.

Actually actually, it's even more complicated than that! Works published between 1925 and 1978 needed to file a copyright extension notice before the 28th anniversary of initial publication or the work fell into public domain.

Copyright law is a maze whose rules have changed numerous times over the decades. Here's a pretty good flowchart for U.S. copyright: https://www.sunsteinlaw.com/copyright-flowchart