{"e":{"id":293731,"source":"ia_catalogofcopyrig371213lib","title":"PREVENTIVE MAINTENANCE: CIRCUIT BREAKERS","header":". North. No. 27. PREVENTIVE MAINTENANCE: CIRCUIT BREAKERS. International Business Machines Corp., 1952. 12 min., sd., b&w, 16mm, Summary: Illustrates correct preventive maintenance procedures for plunger type and rocker type circuit breakers. Credits: Authors, Robert John Allen, Eugene August Madlon","year":1952,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":16808,"line_end":16824,"source_text":"North. No. 27. \n\n\nPREVENTIVE MAINTENANCE: CIRCUIT \nBREAKERS. International Business Ma- \nchines Corp., 1952. 12 min., sd., b&w, \n16mm, \n\nSummary: Illustrates correct preventive \nmaintenance procedures for plunger type \nand rocker type circuit breakers. \n\nCredits: Authors, Robert John Allen, \nEugene August Madlon. \n\n© International Business Machines Corp.; \n6Oct52; MP3595. ","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":312638,"entry_id":293731,"reg_number":"MP3595","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"International Business Machines Corp","author":null,"deposit":null,"reg_date":"1952-10-06","part":null,"part_title":null,"source_line":16823,"raw":"52. 12 min., sd., b&w, 16mm, Summary: Illustrates correct preventive maintenance procedures for plunger type and rocker type circuit breakers. Credits: Authors, Robert John Allen, Eugene August Madlon © International Business Machines Corp.; 6Oct52; MP3595","flags":["see_reference_in_head"],"status":"no-renewal-found","pd_date":"1981-01-01","reason":"no renewal entry found for 1979-1981 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1979,1980],"window_volumes":[{"year":1979,"ia_identifier":""},{"year":1980,"ia_identifier":""},{"year":1981,"ia_identifier":""}]}]}