Power Controls Corp.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4724286 Adaptable rotary power control switchExpiredJul 01, 86Feb 09, 88[H01H]
4591781 Variable control circuit having a predetermined timed outputExpiredJun 06, 83May 27, 86[G05F]
D283488 Packaging container for an electrical switchExpiredDec 09, 83Apr 22, 86[]
D283489 Packaging container for an electrical switchExpiredDec 09, 83Apr 22, 86[]
D281580 Packaging container for electrical switchesExpiredDec 09, 83Dec 03, 85[]
4350944 Variable control circuit having a timed bypassExpiredOct 24, 80Sep 21, 82[H02P]
4334171 Light dimmer switch having remote load current switchingExpiredJul 07, 80Jun 08, 82[G05F]
4293905 Method and apparatus for controlling power and optimizing power factor in an AC-to-DC converterExpiredJun 18, 79Oct 06, 81[H02M]
4259619 Three-way light dimmer switchExpiredMay 16, 77Mar 31, 81[H05B]
4224663 Mounting assembly for semiconductive controlled rectifiersExpiredFeb 01, 79Sep 23, 80[H01L]
4207513 Automatic battery chargerExpiredFeb 10, 78Jun 10, 80[H02J]

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