{"e":{"id":294611,"source":"ia_catalogofcopyrig371213lib","title":"MEANING OF PLUS AND MINUS","header":"MEANING OF PLUS AND MINUS, Encyclopaedia Britannica Films. 10 min., sd., color, 16mm, Kodachrome","year":1953,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":41440,"line_end":41445,"source_text":"MEANING OF PLUS AND MINUS, Encyclo- \npaedia Britannica Films. 10 min., sd., \ncolor, 16mm, Kodachrome, \n\n© Encyclopaedia Britannica Films, inc.; \n25Jun53; MP4005. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1953","url":"https://archive.org/details/catalogofcopyrig371213lib","cite":"Internet Archive catalogofcopyrig371213lib (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1953_catalogofcopyrig371213lib_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":313518,"entry_id":294611,"reg_number":"MP4005","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, inc","author":null,"deposit":null,"reg_date":"1953-06-25","part":null,"part_title":null,"source_line":41444,"raw":"MEANING OF PLUS AND MINUS, Encyclopaedia Britannica Films. 10 min., sd., color, 16mm, Kodachrome © Encyclopaedia Britannica Films, inc.; 25Jun53; MP4005","flags":[],"status":"no-renewal-found","pd_date":"1982-01-01","reason":"no renewal entry found for 1980-1982 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1980,1981],"window_volumes":[{"year":1980,"ia_identifier":""},{"year":1981,"ia_identifier":""},{"year":1982,"ia_identifier":""}]}]}