OXIDACAO E REDUGAO
OXIDACAO E REDUGAO. 1 reel. Produced by Encyclopaedia Britannica Films, Inc., in collaboration with Hermann I. Schlesinger and Harvey B. Lemon, University of Chicago. A Portuguese version of the film, Oxidation and Reduction.
Registration MP775 No renewal found
- Term began
- 1946-06-18
- Claimant
- Encyclopaedia Britannica Films, Inc.
- Class
- MP — published motion picture other than a photoplay (numbering series begun 1946)
- Finding
- no renewal entry found for 1973-1975 in the CCE motion-picture renewal sections
- In the public domain since
- 1 January 1975 (end of the 28th year, no renewal)
A renewal would have appeared in the Copyright Office's renewal registrations 27 to 29 years after the term began. Those volumes are loaded and no matching renewal was found. A work published 1931–1963 that was not renewed entered the public domain at the end of its 28th year.
A renewal had to be filed in the 28th year and would be listed in the 1973 or 1974 volume; volumes searched: 1973, 1974, 1975.
Catalog entry
Catalog of Copyright Entries, New Series, Part 1 Group 3: Dramatic Compositions, Motion Pictures, 1946, Internet Archive catalogofcopyrig191libr (OCR text), lines 80155–80168.
OXIDACAO E REDUGAO. 1 reel. Produced by Encyclopaedia Britannica Films, Inc., in collaboration with Hermann I. Schlesinger and Harvey B. Lemon, University of Chicago. A Por- tuguese version of the film, Oxidation and Reduc- tion. © 6-18-46; 2c 7-9-46, script; Encyclopaedia Britannica Films, Inc., author and claimant, Chi- cago; M 775. OXIDATION AND REDUCTION.
Copies on the Internet Archive
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