STRUCTURAL CHANGES IN CHROMOSOMES I

.1. Plurals 1. 26 fr.--Pt.2. Plurals 2. 25 fr.-- Pt 8. Syllabication I. 39 fr.-- Pt.9. Syllabication II. 25 fr.-- Pt.10. Syllabication III. 28 fr.-- Pt.11. Syllabication IV. 30 fr. © Pacific Productions, Inec.; 30Nov59; JP6980. STRUCTURAL CHANGES IN CHROMOSOMES I. Calvin Co. 29 min., sd., b&w, 16 mn

Registration MP10674 No renewal found

Term began: 1960-04-29
Claimant: Calvin Co
Class: MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
Finding: no renewal entry found for 1987-1989 or in the Copyright Office renewal records 1978-2025
In the public domain since: 1 January 1989 (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 1987 or 1988 volume; volumes searched: 1987, 1988, 1989.

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 MP10674.

Catalog entry

Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1960, Internet Archive catalogofcopyr3141213libr (OCR text), lines 42069–42084.

35 mm. Contents: Pt.1. Plurals 1. 
26 fr.--Pt.2. Plurals 2. 25 fr.-- 
Pt 8. Syllabication I. 39 fr.-- 
Pt.9. Syllabication II. 25 fr.-- 
Pt.10. Syllabication III. 28 fr.-- 
Pt.11. Syllabication IV. 30 fr. 


© Pacific Productions, Inec.; 30Nov59; 
JP6980. 


STRUCTURAL CHANGES IN CHROMOSOMES I. 
Calvin Co. 29 min., sd., b&w, 16 mn. 
© Calvin Co.; 29Apr60 (in notice: 
1959); MP10674.

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