IMO DELAVAL INC.,

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4804251 Electrode structures and electrooptic light gate systemsExpiredJul 13, 81Feb 14, 89[G02F]
4753517 Electrooptical light gating methods and apparatusExpiredMay 20, 82Jun 28, 88[G02F]
4683755 Biaxial strain gage systemsExpiredNov 15, 85Aug 04, 87[G01L]
4674164 Bearings with felted teflon liners and method for making sameExpiredMar 05, 81Jun 23, 87[B23P]
4630866 Seat recline unitExpiredMar 11, 85Dec 23, 86[B60N, F16H, F03G]
4615171 Bicycle chain lubricationExpiredNov 25, 85Oct 07, 86[F16G]
4584748 Loading balls through resilient cages in linear bearingsExpiredMay 02, 84Apr 29, 86[B21H, B21D]
4571228 Bicycle chain structureExpiredJun 26, 85Feb 18, 86[F16G]
4571229 Large bearing area power transmission and material handling chainExpiredJun 03, 85Feb 18, 86[F16G]
4501351 Chain assembly with plug-in moduleExpiredJan 21, 82Feb 26, 85[B65G]
4471711 Push-pull cable with color change temperature self-indicating meansExpiredDec 23, 81Sep 18, 84[G01K, H05B]
4457333 Check valve with relief-valve featureExpiredMay 18, 81Jul 03, 84[F16K]
4450703 Rod ends and blanks and method and apparatus for making sameExpiredJan 14, 81May 29, 84[B21D]
4335924 Wear resistant bearingExpiredNov 19, 80Jun 22, 82[F16C]
4277118 Bearings with felted teflon linersExpiredMay 15, 78Jul 07, 81[F16C]
4251122 Self adjusting bearing assemblyExpiredJun 06, 75Feb 17, 81[F16C]
4242784 Method of manufacturing a spherical bearingExpiredJul 25, 78Jan 06, 81[B21K, B21D]
4235073 Chain breakerExpiredDec 04, 78Nov 25, 80[B21L]
4202082 Method of manufacturing spherical bearings and parts thereforExpiredJul 24, 78May 13, 80[B21D]
4196503 Self-aligning bearing with preloading braking memberExpiredJul 27, 78Apr 08, 80[B21D]

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