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Expired Canadian patentCanada

High power solid state electrochemical laminar cell

CA 2013763 C · Owner: Shackle, Dale R. · Inventors: Fauteux, Denis G.; Shackle, Dale R.; Lundsgaard, Jorgen S.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A solid state electrochemical laminar single cell comprising:, an alkali metal anode, a solid ionically conducting electrolyte a composite cathode, and, a current collector wherein said electrolyte is interposed between said alkali metal anode and said cathode and said cathode is interposed between said electrolyte and said current collector, said cell being capable of generating a discharge current per unit area greater than or equal to 50 milliamperes/cm2 at room temperature; and a process for producing the cell is disclosed.

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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 April 3, 1990 and granted September 15, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 3, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 3, 1990
GrantedSeptember 15, 1998
Term endedApril 3, 2010
Patent numberCA 2013763 C
Classification (IPC)H01M10/38 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedApril 3, 1990Patent grantedSep 15, 1998Term endedApril 3, 2010

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.