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Expired Canadian patentCanada

A building or window element and a method of producing a building

CA 2552730 C · Owner: Fiberline A/S · Inventors: Petersen, Lars

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

A building element comprises a glass panel defining an outer circumferential rim including at least two rectilinear segments a first one of which defines , a first length and a second one of which defines a second length. The glass panel is made of hardened glass and has a specific coefficient of thermal expansion. The building element further comprises a first pultruded element having a length corresponding to the first length and a second pultruded , element having a length corresponding to the second length. The first and second pultruded elements are adhered in a high strength integral adhesion to the hardened glass panel along the first and second rectilinear segments …

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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

  • Filed January 10, 2005 and granted May 29, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 10, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 10, 2005
GrantedMay 29, 2012
Term endedJanuary 10, 2025
Patent numberCA 2552730 C
Classification (IPC)E06B1/38 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 10, 2005Patent grantedMay 29, 2012Term endedJan 10, 2025

Sources & verification

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