Electrical component having high strength given stressing due to temperature change and due to surge currents, particularly a varistor
CA 1264867 C · Owner: Schwingenschuh, Martin · Inventors: Meschan, Franz; Ribitsch, Gert; Schwingenschuh, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical component particularly a varistor, having high strength given stressing due to temperature change and due to surge currents is composed of a ceramic body whose end faces contain solderable metallic coatings as electrodes to which power supply elements are soldered the, latter being composed of a closed strip which leaves open and inwardly-disposed area and an outwardly-disposed area on the coating and which is dimensioned such that the condition Fa : Fi = Ua : Ui = 1.05 through 1.35 is met where Fa is the, surface of the coating located outside of the power supply element, Fi is the surface of the coating lying inside the power supply element, Ua is the outer circumference of …
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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
- Granted January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
- 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.