Power supply charging method and device
CA 2595639 C · Owner: Bedard, Stephane · Inventors: Poulin, Michael; Demers, Remi; Bedard, Stephane
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A power supply charging method and device for charging a power supply having a predetermined number of battery cells divided into at least two battery cell groups. The method comprises the steps of for each battery cell group, applying a voltage across the battery cell group until one condition selected from the group consisting of the voltage of a battery cell exceeding a first threshold and the current of the cell group dropping below a second threshold is met and verifying that each of the predetermined number of battery cells has a similar voltage. When the verification of the battery cells voltage determines that at least one battery cell has a voltage departing from the voltage …
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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 January 25, 2006 and granted March 31, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 25, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.