MAMMALS ARE INTERESTING
MALIGNANT TUMORS OF THE LUNGS. SEE Respiratory cancer, MAMMALS ARE INTERESTING, Encyclopaedia Britannica Films, 12 min., sd., color, 16mm, Kodachrome. Credits: Producers, Paul Burnford, Harold Davis
Registration MP4304 No renewal found
- Term began
- 1953-05-28
- Claimant
- Encyclopaedia Britannica Films, inc
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no renewal entry found for 1980-1982 or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1982 (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 1980 or 1981 volume; volumes searched: 1980, 1981, 1982.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1954, Internet Archive catalogofcopyrig381213lib (OCR text), lines 7503–7515.
MALIGNANT TUMORS OF THE LUNGS. SEE Respiratory cancer, MAMMALS ARE INTERESTING, Encyclopae- dia Britannica Films, 12 min., sd., color, 16mm, Kodachrome. Credits: Producers, Paul Burnford, Harold Davis. © Encyclopaedia Britannica Films, inc.; 28May53; MP4304,
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