B42F- SHEETS TEMPORARILY ATTACHED TOGETHER FILING APPLIANCES FILE CARDS INDEXING. B42- BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER. 239000002649 leather substitute Substances 0.000 description 1. 229920002457 flexible plastic Polymers 0.000 description 1. 239000002655 kraft paper Substances 0.000 claims description 6. 239000000463 material Substances 0.000 claims abstract description 10. 238000000034 method Methods 0.000 claims abstract description 17. 238000004519 manufacturing process Methods 0.000 title claims abstract description 12. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to FR31005403 priority Critical Priority to FR175902 priority Application filed by Andre Raymond Daniel Cariven filed Critical Andre Raymond Daniel Cariven Application granted granted Critical Publication of US3668979A publication Critical patent/US3668979A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links 
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US864970A Inventor Andre Raymond Daniel Cariven Original Assignee Andre Raymond Daniel Cariven Priority date (The priority date is an assumption and is not a legal conclusion.
Portfolio folder factory pdf#
Google Patents Manufacturing process for a file folderĭownload PDF Info Publication number US3668979A US3668979A US864970A US3668979DA US3668979A US 3668979 A US3668979 A US 3668979A US 864970 A US864970 A US 864970A US 3668979D A US3668979D A US 3668979DA US 3668979 A US3668979 A US 3668979A Authority US United States Prior art keywords sheets flexible material file folder flaps pockets Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Google Patents US3668979A - Manufacturing process for a file folder US3668979A - Manufacturing process for a file folder
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