Set of electric cells
CA 2000875 A1 · Owner: Partanen, Rainer · Inventors: Partanen, Rainer; Partanen, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a set of electric cells used to generate an electric current for supply into a load (12). The set comprises a battery (1), e.g. a NiFe battery provided with terminals (2,3), which is used to activate an auxiliary cell (4) connected to the set and mounted on a, stand (8) so that it can be turned about on its trunnions (15) to allow an electrolyte (9) to flow into the spaces (14) between the electrode plates of the cell so as to set up a current to feed the load. The current is interrupted by turning the cell back to its original position. The anode and cathode (7/5) electrodes are made of a metal containing or consisting of magnesium. The electrode plates can be …
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 October 17, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 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.