Public Reel

ULTRASONIC AIR ELIMINATOR

Calvin Productions. 29 min., sd., ULTRASONIC AIR ELIMINATOR (Filmstrip) nf

Registration MP12189 Uncertain

Term began
not parsed
Claimant
Class
MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
Finding
no registration date parsed from the catalog entry

The catalog entry has a problem (missing date, or a number that does not fit its year), so the renewal check cannot be relied on.

Catalog entry

Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1962, Internet Archive catalogofcopyr3161213libr (OCR text), lines 13699–13700.

46. © 6Jun61: MP12188. Calvin Productions. 29 min., sd., 
ULTRASONIC AIR ELIMINATOR (Filmstrip) nf © Qgun61; MP12189. b&w, 16 mm. © Calvin Productions, | 

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