Generator circuit breaker
CA 2235791 A1 · Owner: Willieme, Jean-Marc · Inventors: Willieme, Jean-Marc; Plat, Jean-Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The generator circuit breaker including a means of synchronization ensuring separation of the main contacts (5 6) before the separation of the arcing contacts (15D 15G) is distinguished by a lever (171) which is articulated at one end to a fixed contact part (4) and which, on the one hand, is linked on moving with the mobile main contact (6) and on the other hand, linked on moving with the mobile arcing contact (15D) by means of a spring (19) and with a ramp (21) having two horizontal levels (21A 21C) linked one with the other by an inclined intermediary part (21B) the ramp acting as slide support for a trigger (23) which prevents or permits movement of the mobile arcing contact (15D). This …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.