A CINEMATOGRAPHIC STUDY OF THE FUNCTION OF THE MITRAL VALVE IN SITU
n a living dog's heart, the left chambers of which have been made bloodless by a circulatory shunt. For students of cardiac physiology. Credits: Authors, Adrian Kantrowitz, Elliott S. Hurwitt, Antol Herskovitz, Leo L. Leveridge; animation, Leo Leveridge, Byron Robbitt; photographer, Antol Herskovitz
Registration MP3059 No renewal found
- Term began
- 1952-09-25
- Claimant
- Montefiore Hospital
- 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, 1952, Internet Archive catalogofcopyrig361213lib (OCR text), lines 37294–37305.
atrial and ventricular openings in a living dog's heart, the left chambers of which have been made bloodless by a circulatory shunt. For students of cardiac physiology. Credits: Authors, Adrian Kantrowitz, Elliott S. Hurwitt, Antol Herskovitz, Leo L. Leveridge; animation, Leo Leveridge, Byron Robbitt; photographer, Antol Hersko- vitz. © Montefiore Hospital; 25Sep52; MP3059.
Copies on the Internet Archive
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