UNDERSTANDING VITAMINS
ins are, how they work, and why they are necessary for good health; describes the natural sources of vitamins; and explains how vitamin deficiencies in the diet can be supplemented by the use of synthetic vitamins. Credits: Associate producer, Milan Herzog; collabo1 ator, John B. Youmans. Kodachrome
Registration MP3342 No renewal found
- Term began
- 1952-10-23
- 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 1979-1981 or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1981 (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 1979 or 1980 volume; volumes searched: 1979, 1980, 1981.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1953, Internet Archive catalogofcopyrig371213lib (OCR text), lines 22078–22090.
vitamins are, how they work, and why they are necessary for good health; describes the natural sources of vitamins; and explains how vitamin deficiencies in the diet can be supplemented by the use of synthetic vita- mins. Credits: Associate producer, Milan Her- zog; collabo1 ator, John B. Youmans. Koda- chrome. © Encyclopaedia Britannica Films, inc.; 230ct52; MP3342.
Copies on the Internet Archive
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