There are no copyright marks on the ad. Copyrights for Saturday Evening Post would not apply to the advertisements in it. RKO, the owner of the ad, did not mark their ads as copyright.
"A notice for the collective work will not serve as the notice for advertisements inserted on behalf of persons other than the copyright owner of the collective work. These advertisements should each bear a separate notice in the name of the copyright owner of the advertisement."
United States Copyright Office page 2 "Visually Perceptible Copies The notice for visually perceptible copies should contain all three elements described below. They should appear together or in close proximity on the copies.
2 The year of first publication. If the work is a derivative work or a compilation incorporating previously published material, the year date of first publication of the derivative work or compilation is sufficient. Examples of derivative works are translations or dramatizations; an example of a compilation is an anthology. The year may be omitted when a pictorial, graphic, or sculptural work, with accompanying textual matter, if any, is reproduced in or on greeting cards, postcards, stationery, jewelry, dolls, toys, or useful articles.
Note that the photo has had changes made to the background to eliminate the text originally shown in the ad.
Licenza
Public domainPublic domainfalsefalse
Quest'opera è nel pubblico dominio perché pubblicata negli Stati Uniti fra il 1929 e il 1977, inclusi, senza un avviso di copyright. A meno che l'autore non sia morto da molti anni, non è nel pubblico dominio nei Paesi o nelle aree che non applicano la regola della durata più breve per le opere statunitensi, come Canada (50 pma), Cina (50 pma, ma non Hong Kong o Macao), Germania (70 pma), Messico (100 pma), Svizzera (70 pma), e altri Paesi con trattati individuali. Vedi questa pagina per ulteriori informazioni.