User:Yann/Films renewals

https://collections.stanford.edu/copyrightrenewals/bin/page?forward=home
^ unfortunately, the Stanford DB only included books

• User:JEN9841/List of films in the public domain, cf. http://www.profilms.com/index.php/public-domain
• List of films in the public domain in the United States

http://cocatalog.loc.gov/cgi-bin/Pwebrecon.cgi?DB=local&PAGE=First <- USCO, post-1978 renewals.
If you know the actual registration number, then a search of the USCO db (assuming it would be a post-1978 renewal) would be definitive.
https://archive.org/details/copyrightrecords <- is where you can find images of the paper catalogs...
https://archive.org/details/Motionpict19591960librrich0008 <- the USCO published 10-year indexes for motion pictures. :)

http://onlinebooks.library.upenn.edu/cce/
http://gutenberg.polytechnic.edu.na/4/4/6/2/44621/44621.txt

https://archive.org/details/Motionpict19591960librrich0008 TXT
https://archive.org/details/Motionpict19601969librrich0013 TXT

“Attack of the Giant Leeches”, Balboa Productions. Released bt American International Pictures. 62 min., sd., b&W, 35 mm. c Balboa Productions; 31Oct59 (in notice: 1958) LP15264.
So you need to clear that reg number, “LP15264”.

When searching cocatalog, remember you have to pad the number with zeros out to 12 characters… i.e LP0000001493