WHY AN ATRPLANE FLIES
er's Sons. 32 fr., color, 45mm. Eastman color. Correlated with book 5 of The wonderworld of science, by Warren Knox and others. Credits: Producer, David J. Goodman. € Charles Scribner's Sons; 20Nov56; JPL929. Centron Corp. Released by Young America Films. l1reel, sd., bw, 16 mm. With teacher's guide
Registration MP7609 No renewal found
- Term began
- 1956-04-26
- Claimant
- Centron Corp., Inc
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no renewal entry found for 1983-1985 or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1985 (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 1983 or 1984 volume; volumes searched: 1983, 1984, 1985.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1956, Internet Archive catalogofcopyrig3101213li (OCR text), lines 42265–42284.
Charles Seribner's Sons. 32 fr., color, 45mm. Eastman color. Correlated with book 5 of The wonderworld of science, by Warren Knox and others. Credits: Producer, David J. Goodman. € Charles Scribner's Sons; 20Nov56; JPL929. Centron Corp. Released by Young America Films. l1reel, sd., bw, 16 mm. With teacher's guide. © Centron Corp., Inc.; 26Apr56; MP7609.
Copies on the Internet Archive
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