NTN-Rulon Industries, Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5208293 Rubber composition having low frictionExpiredOct 26, 90May 04, 93[C08L]
5098627 Method for producing a paper-releasing guide-claw of copying machineExpiredAug 30, 90Mar 24, 92[C08G, B29C, G03G]
4978463 Lubricating rubber compositionExpiredJan 31, 89Dec 18, 90[C10M]
4976880 Lubricating rubber compositionExpiredMay 07, 90Dec 11, 90[C10M]
4942007 Continuous preparation of shaped long articles of polyimideExpiredJan 14, 88Jul 17, 90[B29C]
4942092 Extruded porous articles of polyimide and continuous preparation of the sameExpiredApr 17, 89Jul 17, 90[B32B]
4825249 Cleaning blade for use with photoelectronic copying machineExpiredJan 04, 88Apr 25, 89[G03G]
4748213 All-aromatic polyester resin compositionExpiredJun 12, 87May 31, 88[C08G, C08L]
4727118 Polyether imide resin composition containing vulcanizable organopolysiloxaneExpiredAug 30, 85Feb 23, 88[C08L]
4703075 Resinous compositions having lubricityExpiredMar 04, 86Oct 27, 87[C08K]
4687696 Finger strips for copying machinesExpiredJul 29, 85Aug 18, 87[B32B]
4599383 Polyamideimide resin compositionExpiredNov 02, 84Jul 08, 86[C08F, C08L]

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