Satellite rechargeable battery and recharger system
CA 2058141 A1 · Owner: Persen, David · Inventors: Persen, David; Powers, David K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A satellite rechargeable battery configured in a standard C or D size or larger size dry-cell battery housing and includes a standard secondary or charging cell that is preferably a nickel-cadmium cell. The satellite battery includes a head insert that is pivotally mounted to the ends of rods that telescope longitudinally from the battery housing, with the head insert to rotate through ninety degrees (90°) between a first coupled attitude into the battery housing, at its upper or positive pole end configuring the battery as a standard dry-cell battery and a, second coupled attitude presents a curved undersurface as a seat that extends from the battery housing side to receive a charging …
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 19, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2013.
- 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.