Circuit interrupter with an automatic trip assembly having an improved bimetal configuration
CA 2316583 A1 · Owner: Juds, Mark A. · Inventors: Gundy, Raymond P.; Hood, Teresa I.; Juds, Mark A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit interrupter including a housing separable main contacts, disposed in the housing and an operating mechanism disposed in the housing and interconnected with the contacts. A trip mechanism is disposed in the housing and has an automatic trip assembly that selectively generates a tripping, operation which opens the contacts upon a predetermined current threshold. The automatic trip assembly includes a substantially planar bimetal an , electrical, terminal, and a magnetic yoke. The bimetal has a first cutout region and a second cutout region on opposite sides thereof which form a neck portion and define a head portion. The head portion is connected to an end of the terminal. The …
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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 August 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2022.
- 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
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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.