Power capacitor
CA 2510684 A1 · Owner: Milwertz, Per · Inventors: Milwertz, Per
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for manufacturing a power capacitor comprising at least one capacitor element (1), wherein the capacitor element (1) comprises a roll of alternate dielectric films (4) and electrode films (2 3), wherein the roll has first , and second end surfaces (5 6), facing away from each other, in which said electrode films (2, 3) are connectably exposed. A solder tip (21) is preheated in a pot (20) with a preheated solder, and the solder tip is then coated with solder, whereupon at least one of the surfaces (5 6) of the capacitor element , is coated with solder by bringing the solder tip (21) into contact with said end surface (5, 6). The contact is thereafter brought to cease and at …
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 December 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2025.
- 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.