A search for renewal was done in periodicals for the years 1963 and 1964. There were no renewals for the title Silver Screen; there's no evidence of the magazine still being under copyright.
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.
{{Information |Description=Scene from the 1936 film ''Romeo and Juliet'' Pictured from left to right are John Barrymore, Edna May Oliver and Leslie Howard. |Source=[http://archive.org/stream/silverscreen06unse_0#page/n143/mode/2up Silver Screen 49] |Da...