Patent Yard Sign in
Expired Canadian patentCanada

Solar energy electrical conversion apparatus

CA 1114016 A · Owner: Swift (Tom) Enterprises, Inc. · Inventors: Reitz, Ronald P.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

An electrical apparatus for use as a capacitor solar cell, switching device, wave-shaper and the like. The apparatus comprises a first electrode a first dielec-, tric positioned proximate one side of the first electrode a second electrode positioned proximate the first dielectric, a second dielectric positioned proximate one side of the second electrode, a third electrode positioned proximate the second dielectric and generally facing said one side of the second electrode, means for connecting the first and third electrodes to a control circuit whereby an electrical potential is established between the first and third electrodes, and means for connecting the second and third electrodes to …

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

  • Granted December 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 30, 1978
GrantedDecember 8, 1981
Term endedDecember 8, 1998
Patent numberCA 1114016 A
Classification (IPC)H01L31/04 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMay 30, 1978Patent grantedDec 8, 1981Term endedDec 8, 1998

Sources & verification

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