Divalent silver oxide-zinc cell having a unipotential discharge level
CA 1058698 A · Owner: Union Carbide Corporation · Inventors: Kozawa, Akiya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An alkaline silver oxide-zinc cell having a discontinuous oxidizable metal, such as a zinc screen is interposed between the positive electrode and the inner wall of the positive terminal and/or a discontinuous oxidizable metal interposed between the positive electrode and the separator so as to achieve a unipotential discharge level on low drain conditions. 1.
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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
- Granted July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
- 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.