Bridgestone Cycle Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0182,061 Method of manufacturing support body for pneumatic run flat tireAbandonedAug 06, 04Aug 09, 07[B60C]
5466139 VulcanizerExpiredJul 13, 94Nov 14, 95[B29C]
5421219 Bicycle speed change system, bicycle speed change method and bicycle speed change operation assemblyExpiredJul 08, 93Jun 06, 95[F16C, G05G]
5390565 Bicycle speed change system, bicycle speed change method and bicycle speed change operation assemblyExpiredFeb 17, 94Feb 21, 95[F16C, G05G]
5380252 Bicycle speed change assemblyExpiredMay 20, 93Jan 10, 95[F16H]
5370411 Bicycle frame assemblyExpiredOct 13, 92Dec 06, 94[B62K]
5253890 Bicycle frameExpiredDec 17, 91Oct 19, 93[B62K]
5238458 Bicycle speed change assemblyExpiredOct 28, 92Aug 24, 93[F16H]
5163884 Friction-type stepless speed change deviceExpiredMay 01, 91Nov 17, 92[F16H]
5115159 Built-in generator for bicycleExpiredOct 23, 90May 19, 92[H02K]
5056630 Wheel rim for a bicycleExpiredMar 07, 89Oct 15, 91[F16D, B22F]
5045037 Friction stepless speed change deviceExpiredJun 27, 90Sep 03, 91[F16H]
5030183 Friction stepless speed change deviceExpiredJun 08, 90Jul 09, 91[F16H]
5012900 Brake for bicycleExpiredMay 16, 89May 07, 91[B62L]
4969539 Brake for bicycleExpiredMay 16, 89Nov 13, 90[B62L]
4934205 Stepless speed change deviceExpiredDec 14, 88Jun 19, 90[F16H]
4920827 Stepless speed change deviceExpiredFeb 28, 89May 01, 90[F16H]
4916974 Stepless speed change deviceExpiredFeb 12, 88Apr 17, 90[F16H]
4858485 Inscribed transmission deviceExpiredAug 01, 88Aug 22, 89[F16H]
4838122 Speed change device for bicycleExpiredSep 14, 87Jun 13, 89[F16D, F16H]

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