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Expired Canadian patentCanada

Interface control for storage battery based alternate energy system

CA 1259655 A · Owner: Bobier Electronics, Inc. · Inventors: Bobier, Joseph A.; Brown, Gerald E.

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

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Abstract From the Canadian patent

An alternate energy interface control for implementation with utility derived power sources and alternate power sources such as are provided vy solar panels, windmills, and the like employed with systems utilizing storage batteries. The system monitors the current level of photovoltaic solar panels within intervals during such panels are connected with the battery storage source and further monitors the voltage levels developed by such panels during normal open circuit conditions thereof. A logic control is provided which monitors alternate source currents and voltage as well as storage battery voltage levels to prioritize the use of available alternate energy sources. Battery charging …

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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 September 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 17, 1986
GrantedSeptember 19, 1989
Term endedSeptember 19, 2006
Patent numberCA 1259655 A
Classification (IPC)H02J7/00 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedNov 17, 1986Patent grantedSep 19, 1989Term endedSep 19, 2006

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