High current pressure sensitive interrupters
CA 2003443 A1 · Owner: Aerovox Incorporated · Inventors: Hardy, Pamela E.; Macdougall, Frederick W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An electrical device includes an electrical element (12); a container (10) housing the electrical element; a rigid electrical terminal (22) extending through a hole in a wall (20) of the container; a bridge (40) between the wall and the element, the bridge having an opening (44) offset from an axis lying normal to the wall at the hole and the opening being aligned with a portion of the terminal; and an electrical connection made between the element and the terminal via the bridge opening, the connection being configured so that bulging of the wall causes the connection to break. Preferably, the container is a capacitor and the, electrical connection between the …
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 November 21, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2011.
- 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.