1, STATIONARY LONGITUDINAL WAVES
UNIVERSITY OF IOWA SPEECH CLINIC. SEE The search, program no, 1, STATIONARY LONGITUDINAL WAVES. Mc- Graw-Hill Book Co. Made by Audio Productions. 9 min., sd., b&w, 16 mm. (College physics series) Produced in collaboration with the Visual Aids Committee of the American Association of Physics Teachers
Registration MP5090 No renewal found
- Term began
- 1953-02-01
- Claimant
- McGraw-Hill Book Co., 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 36396–36411.
STATE UNIVERSITY OF IOWA SPEECH CLINIC. SEE The search, program no, 1, STATIONARY LONGITUDINAL WAVES. Mc- Graw-Hill Book Co. Made by Audio Produc- tions. 9 min., sd., b&w, 16 mm. (College physics series) Produced in collaboration with the Visual Aids Committee of the Amer- ican Association of Physics Teachers. © McGraw-Hill Book Co., inc.; 1Feb53; MP5090.
Copies on the Internet Archive
Not searched yet.