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No. 7, Cutting an external acme thread.
Registration MP12888 (part 7: Cutting an external acme thread) No renewal found
- Term began
- 1942-09-26
- Claimant
- Machine shop work, operations on the sensitive drill; no. 1
- Class
- MP — published motion picture other than a photoplay (numbering series begun Sept. 1928)
- Finding
- no renewal entry found for 1969-1971 in the CCE motion-picture renewal sections
- In the public domain since
- 1 January 1971 (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 1969 or 1970 volume; volumes searched: 1969, 1970, 1971.
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 MP12888.
Catalog entry
Catalog of Copyright Entries, New Series, Part 1 Group 3: Dramatic Compositions, Motion Pictures, 1942, Internet Archive catalogofcopyrig15libr (OCR text), lines 31122–31127.
No. 7, Cutting an external acme thread. © Sept. 26, 1942; M 12888. Machine shop work, operations on the sensitive drill; no. 1, Drilling a hole inapin. © Sept. 26,
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