Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
The original 1968 film Night of the Living Dead is in the public domain in the United States because of the failure of the distributor to provide a copyright notice on the film, as was required by U.S. copyright law at the time.
See: United States Senate, Committee on the Judiciary, Subcommittee on Technology and the Law. Legal Issues that Arise when Color is Added to Films Originally Produced, Sold, and Distributed in Black and White (Washington, D.C.: Government Printing Office, 1988). P. 83.
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{{Information |Description=Actress Judith O'Dea in a scene from the movie ''Night of the Living Dead'' |Source=Screenshot from [http://ho0sier.com/halloween/quiz/night_of_the_living_dead.jpg ho0sier.com] |Date=The film was released in 1968 |Author=Directi