JP1864, SIMPLE CHANGES IN MATTER
net, 1953. 11 min., sd., b&w, 16mm. Summary: School students learn the differences between chemical and physical change and observe the changes in simple matter as evidenced in soil erosion, metal expansion, ice melting, leaves changing color, and logs Credits: Educational collaborator, John G. Read
Registration MP3301 No renewal found
- Term began
- 1953-01-19
- Claimant
- John Smart
- 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, 1953, Internet Archive catalogofcopyrig371213lib (OCR text), lines 18633–18646.
SIMPLE CHANGES IN MATTER. Coronet, 1953. 11 min., sd., b&w, 16mm. Summary: School students learn the differ- ences between chemical and physical change and observe the changes in simple matter as evidenced in soil erosion, metal expansion, ice melting, leaves changing color, and logs decaying. Credits: Educational collaborator, John G. Read. © John Smart; 19Jan53; MP3301.
Copies on the Internet Archive
Not searched yet.