An online search at the US copyright office did not find that the copyright was renewed. In the absence of renewal of the US copyright, this poster art entered the public domain 28 years after its US publication date.
Licensiering
Denna bild avbildar ett tvådimensionellt konstverk. Konstverket är självt i public domain av följande anledning:
Public domainPublic domainfalsefalse
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.