{"canonical_url":"https://publicreel.org/film/284885","film_page_url":null,"answer":"The US record is unclear: listed as MU2908 in the index of the ia_catalogofcopyrig321213lib volume, but its catalog entry could not be read from the OCR; date unknown, so the renewal window cannot be fixed.","revision_url":"https://publicreel.org/film/284885/evidence/128d6ee1","jurisdiction":"US","finding":"uncertain","finding_label":"Uncertain","finding_reason":"listed as MU2908 in the index of the ia_catalogofcopyrig321213lib volume, but its catalog entry could not be read from the OCR; date unknown, so the renewal window cannot be fixed","public_domain_from":null,"finding_revision":"128d6ee1","finding_recorded":"2026-09-05 20:21:43.699877+00:00","review_status":"automated","title":"CHALLENGE FOR THE FUTURE","title_display":"Challenge for the Future","registration_year":null,"release_year":null,"sources":[{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1948","citation":"Internet Archive catalogofcopyrig321213lib (OCR text)","url":"https://archive.org/details/catalogofcopyrig321213lib","lines":[16211,16211]}],"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":284885,"source":"ia_catalogofcopyrig321213lib","title":"CHALLENGE FOR THE FUTURE","header":"","year":null,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":16211,"line_end":16211,"source_text":"Challenge for the Future. MU2908. ","ia_items":[],"ia_lookup":[],"atlas":[],"picture":null},"registrations":[{"id":303792,"entry_id":284885,"reg_number":"MU2908","series":3,"see_also":[],"reg_class":"MU","published":false,"claimant":null,"author":null,"deposit":null,"reg_date":null,"part":null,"part_title":null,"source_line":16211,"raw":"Challenge for the Future. MU2908.","flags":["claimant_missing","date_missing","from_index_only"],"status":"uncertain","pd_date":null,"reason":"listed as MU2908 in the index of the ia_catalogofcopyrig321213lib volume, but its catalog entry could not be read from the OCR; date unknown, so the renewal window cannot be fixed","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":null,"window_volumes":[]}]}