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Expired Canadian patentCanada

Combined solar energy conversion and structural and mechanical beam and structures built therefrom

CA 1088828 A · Owner: Kotlarz, Joseph C. · Inventors: Kotlarz, Joseph C.

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

Abstract Of The Disclosure Disclosed is a combined solar energy conversion and structural and mechanical beam. The beam comprises a pre-engineered structural and mechanical component which includes a solar energy collector or distributor and can be used to erect a complete structure or as retrofite hardware for existing buildings or structures. In one embodiment the solar collector portion of the beam consists of a highly polished parabolic concentrator within a channelshaped portion of the beam, an absorber tube disposed within the concentrator for retaining the fluid to be heated and an optical or fresnel lens positioned over the open side of the beam to further concentrate the sun and …

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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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
  • 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 3, 1977
GrantedNovember 4, 1980
Term endedNovember 4, 1997
Patent numberCA 1088828 A
Classification (IPC)F24J2/08 +1 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedNov 3, 1977Patent grantedNov 4, 1980Term endedNov 4, 1997

Sources & verification

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