MERLIN GERIN, RUE HENRI TARZE

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4877929 Breaking device for multipole electrical circuit breaker with multiple contactsExpiredAug 17, 88Oct 31, 89[H01H]
4837660 Self-protected low voltage capacitorExpiredMay 17, 88Jun 06, 89[H01G]
4748303 Isolating switch of a high voltage metalclad installationExpiredDec 10, 86May 31, 88[H01H]
4739254 Voltage measuring device of a high voltage metalclad installationExpiredOct 08, 86Apr 19, 88[G01R]
4694373 Circuit breaker with digital solid-state trip unit with optional functionsExpiredFeb 10, 86Sep 15, 87[H02H]
4689712 Circuit breaker with solid-state trip unit with a digital processing system shunted by an analog processing systemExpiredFeb 10, 86Aug 25, 87[H02H]
4622529 Operating mechanism for a low voltage multipole circuit breakerExpiredOct 03, 84Nov 11, 86[H01H]
4543712 Process for assembling a clad busbar of an electrical installationExpiredFeb 28, 84Oct 01, 85[H01R]

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