Rahdener Maschinenfabrik August Kolbus

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4704973 Bookbinding method and apparatusExpiredJul 14, 86Nov 10, 87[B42B]
4524857 Book block feed deviceExpiredOct 03, 83Jun 25, 85[B65G]
4516960 Variable speed chain driveExpiredJun 20, 83May 14, 85[F16H]
4507036 Inner book clampExpiredFeb 14, 83Mar 26, 85[B42B, B42C]
4491448 Jacket application device for a book binding machineExpiredSep 30, 82Jan 01, 85[B65G, B42C]
4467912 Book block gripper for a transport systemExpiredFeb 19, 82Aug 28, 84[B65G]
4383683 Apparatus for separating the bottom sheet of a stack or sheetsExpiredSep 24, 80May 17, 83[B65H]
4300427 Three-knife trimmerExpiredNov 29, 79Nov 17, 81[B26D]
4289493 Apparatus for applying an overlay to a substrateExpiredNov 16, 79Sep 15, 81[B65B]
4285292 Method of thread stitching layers to form a sewn bookExpiredJan 21, 80Aug 25, 81[D05B, B42B]
4275873 Process and equipment for the opening of folded proof sheetsExpiredJun 27, 79Jun 30, 81[B65H]
4252071 Apparatus for thread stitching layers to form a sewn bookExpiredFeb 01, 79Feb 24, 81[B42B]
4231466 Book block transport systemExpiredMay 17, 78Nov 04, 80[B65G]

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