Jumper switch means for electrolyzers electrically connected in series
CA 2127741 A1 · Owner: Pillet, Michel · Inventors: Pillet, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The novel jumper switch means of the invention is directed to bypassing an electrolyzer in a row of electrolyzers electrically connected in series to permit removal of the by-passed electrolyzer for maintenance. The jumper switch means comprises one or more internal bus bars connected to suitable arrays of switches. Said internal bus bars are dimensioned in such a way that when substantially all the electrolysis current flows through the jumper switch means the voltage, at its two connection terminals and therefore at the contact points of the by-passed electrolyzer, is close to but in any case lower than the, voltage spontaneously reached by the electrolyzer when electrolysis current is no …
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 July 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 11, 2016.
- 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.