{"canonical_url":"https://publicreel.org/film/81799","film_page_url":null,"answer":"The US record is unclear: no registration date parsed from the catalog entry.","revision_url":"https://publicreel.org/film/81799/evidence/84a23680","jurisdiction":"US","finding":"uncertain","finding_label":"Uncertain","finding_reason":"no registration date parsed from the catalog entry","public_domain_from":null,"finding_revision":"84a23680","finding_recorded":"2026-09-05 20:21:43.699877+00:00","review_status":"automated","title":"DEAD RECKONING PLOTTING AND CELESTIAL LINES OF POSITION","title_display":"Dead Reckoning Plotting and Celestial Lines of Position","registration_year":null,"release_year":null,"sources":[{"name":"Catalog of Copyright Entries, New Series, Part 1 Group 3: Dramatic Compositions, Motion Pictures, 1943","citation":"Internet Archive catalogofcopyrig161libr (OCR text)","url":"https://archive.org/details/catalogofcopyrig161libr","lines":[10505,10508]}],"limitations":["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.","The finding is about the US copyright record only; it is not legal advice and says nothing about other countries, underlying works, music, or a particular copy."],"entry":{"id":81799,"source":"ia_catalogofcopyrig161libr","title":"DEAD RECKONING PLOTTING AND CELESTIAL LINES OF POSITION","header":"Dead reckoning plotting and celestial lines of position; pts. 1, 2.","year":null,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":10505,"line_end":10508,"source_text":"Dead reckoning plotting and celestial lines of \nposition; pts. 1, 2. © title, descr. & 8 prints \nrecd. Apr. 8, 1943; M 13448, 13449; Springer \npictures, inc., New York. 1719, 1720 ","ia_items":[],"ia_lookup":[],"atlas":[],"picture":null},"registrations":[{"id":99698,"entry_id":81799,"reg_number":"MP13448","series":2,"see_also":[],"reg_class":"MP","published":true,"claimant":"Springer pictures, inc., New York. 1719","author":null,"deposit":"descr. & 8 prints recd. Apr. 8, 1943","reg_date":null,"part":1,"part_title":null,"source_line":10505,"raw":"Dead reckoning plotting and celestial lines of position; pts. 1, 2. © title, descr. & 8 prints recd. Apr. 8, 1943; M 13448, 13449; Springer pictures, inc., New York. 1719","flags":[],"status":"uncertain","pd_date":null,"reason":"no registration date parsed from the catalog entry","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":null,"window_volumes":[]},{"id":99699,"entry_id":81799,"reg_number":"MP13449","series":2,"see_also":[],"reg_class":"MP","published":true,"claimant":"Springer pictures, inc., New York. 1719","author":null,"deposit":"descr. & 8 prints recd. Apr. 8, 1943","reg_date":null,"part":2,"part_title":null,"source_line":10505,"raw":"Dead reckoning plotting and celestial lines of position; pts. 1, 2. © title, descr. & 8 prints recd. Apr. 8, 1943; M 13448, 13449; Springer pictures, inc., New York. 1719","flags":[],"status":"uncertain","pd_date":null,"reason":"no registration date parsed from the catalog entry","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":null,"window_volumes":[]}]}