Tập tin:David Sarnoff 1956.jpg

Miêu tảDavid Sarnoff 1956.jpg	Photo of David Sarnoff holding an RCA transistor radio from 1956.
Ngày	January 1956
Nguồn gốc	page 3 Radio Age
Tác giả	Radio Corporation of America RCA
Giấy phép (Dùng lại tập tin)	Copyright not renewed
Phiên bản khác	Có một hình được trích xuất từ hình này: David Sarnoff 1956 (cropped).jpg.

• Though I see no information about copyright on page 2 of this RCA magazine, a copyright renewal search was done at copyright.gov for the title Radio Age. There were no listings. There is no evidence of copyright being claimed on this material.

Giấy phép

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. العربية ∙ Deutsch ∙ English ∙ español ∙ français ∙ galego ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ português ∙ português do Brasil ∙ русский ∙ sicilianu ∙ slovenščina ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/−