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Expired Canadian patentCanada

Electrically connected and electrically interconnected large area photovoltaic cells and method of producing said cells

CA 1192292 A · Owner: Energy Conversion Devices, Inc. · Inventors: Holland, Arthur; Nath, Prem; Izu, Masatsugu

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Abstract From the Canadian patent

Electrical intraconnections for a large area photovoltaic cells, electrical interconnections for adjacent large area photovoltaic cells and the methods of producing those connections are disclosed herein. The cells are, preferably, of the type which include a plurality of electrically isolated, small area segments sharing a common substrate, a seminconductor body atop the substrate and a transparent, conductive coating atop the semiconductor, body. The electrlcal interconnections include: an electrically-conductive strip interconnecting the small area segments of each large area to provide a first electrode of that cell; and access to the substrate from the layered surface of each large …

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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 August 20, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2002.
  • 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 8, 1983
GrantedAugust 20, 1985
Term endedAugust 20, 2002
Patent numberCA 1192292 A
Classification (IPC)H01L31/02 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedNov 8, 1983Patent grantedAug 20, 1985Term endedAug 20, 2002

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