OXYGEN DOSAGE AND TECHNIQUES
., 1951. 29 min., color, 16mm. Summary: Reviews clinical conditions for which oxygen is prescribed; discusses the signs and symptoms of anoxia and the concentrations of oxygen used to overcome it; illustrates emergency oxygen therapy and the apparatus used to administer oxygen in various percentages
Registration MP2241 No renewal found
- Term began
- 1951-10-31
- Claimant
- Union Carbide and Carbon Corp
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no renewal entry found for 1978-1980 or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1980 (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 1978 or 1979 volume; volumes searched: 1978, 1979, 1980.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1952, Internet Archive catalogofcopyrig361213lib (OCR text), lines 13876–13888.
Linde Air Products Co., 1951. 29 min., color, 16mm. Summary: Reviews clinical conditions for which oxygen is prescribed; discusses the signs and symptoms of anoxia and the con- centrations of oxygen used to overcome it; illustrates emergency oxygen therapy and the apparatus used to administer oxygen in various percentages. © Union Carbide and Carbon Corp.; 310ct51; MP2241,
Copies on the Internet Archive
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