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Expired Canadian patentCanada

Heat recuperator with cross-flow ceramic core

CA 1282055 C · Owner: Gte Products Corporation · Inventors: Newman, Ray L.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A heat recuperator comprises a cross-flow ceramic core within a housing. Of the six faces on the core four have openings for gas flow therethrough and two faces are solid. Means are provided to apply compressive force to the solid faces, the means being disposed within the housing.

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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 March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 14, 1984
GrantedMarch 26, 1991
Term endedMarch 26, 2008
Patent numberCA 1282055 C
Classification (IPC)F28D3/02 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedSep 14, 1984Patent grantedMarch 26, 1991Term endedMarch 26, 2008

Sources & verification

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