Century Electric, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4940927 Three-phase A-C speed control for variable torque motorExpiredAug 29, 85Jul 10, 90[H02P]
4614023 Field coil for dynamoelectric machineExpiredDec 01, 83Sep 30, 86[H02K]
4599552 Generator voltage regulatorExpiredSep 07, 84Jul 08, 86[H02J]
4465946 Interlocking frame assembly for an electric motor statorExpiredAug 22, 83Aug 14, 84[H02K]
4453118 Starting control circuit for a multispeed A.C. motorExpiredNov 08, 82Jun 05, 84[H02P]
4451775 Motor/generator starting circuitExpiredAug 12, 81May 29, 84[H02P]
4382217 Starting control circuit for an A.C. motorExpiredMay 15, 81May 03, 83[H02P]
4322630 Electrical power generating systemExpiredMar 17, 80Mar 30, 82[H02J]

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