Public Reel

CATALYSIS

, CASE OF THE PLAYBOY PUGILIST. SEE PERRY MASON. THE CASE OF THE PROMOTER!S PILLBOX. SEE PERRY MASON. CAT IN THE CRADLE, SEE GENERAL ELEC- TRIC THEATER. CATALYSIS. Regents of the University of California. 15 min., sd., color, 16 mm. (Chemical education material study) Appl. author: Richard E. Powell

Registration MP12472 No renewal found

Term began
1962-02-28
Claimant
Regents of the University of California
Class
MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
Finding
no renewal entry found for 1989-1991 or in the Copyright Office renewal records 1978-2025
In the public domain since
1 January 1991 (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 1989 or 1990 volume; volumes searched: 1989, 1990, 1991.

The renewal sections are OCR text of printed volumes; a damaged record can hide a renewal. Before relying on this, search the linked volumes yourself for the title and for number MP12472.

Catalog entry

Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1962, Internet Archive catalogofcopyr3161213libr (OCR text), lines 25553–25571.

CASE OF THE PLAYBOY PUGILIST. SEE 
PERRY MASON. 


THE CASE OF THE PROMOTER!S PILLBOX. 
SEE PERRY MASON. 


CAT IN THE CRADLE, SEE GENERAL ELEC- 
TRIC THEATER. 


CATALYSIS. Regents of the University 
of California. 15 min., sd., color, 
16 mm. (Chemical education material 
study) Appl. author: Richard E. 
Powell. © Regents of the University 
of California; 28Feb62 (in notice: 
1961); MP12472. 

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