Public Reel

NEUROSPORA TECHNIQUES

NEUROSPORA TECHNIQUES. Thorne Films. 8 min., sd., color, 16 mm. (Biological technique series) Produced in cooperation with American Institute of Biological Sciences

Registration MP12391 No renewal found

Term began
1962-05-29
Claimant
Thorne Films, Inc
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 MP12391.

Catalog entry

Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1962, Internet Archive catalogofcopyr3161213libr (OCR text), lines 32595–32601.

NEUROSPORA TECHNIQUES. Thorne Films. 
8 min., sd., color, 16 mm. (Biolog- 
ical technique series) Produced in 
cooperation with American Institute 
of Biological Sciences. © Thorne 
Films, Inc.; 29May62 (in notice: 
1961); MP12391. 

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