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Expired Canadian patentCanada

Systems for attaching wood products

CA 2551475 C · Owner: Hanson, Daniel V. · Inventors: Schulner, Thomas F.; Winterowd, Jack G.; Izan, Jerry D.

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 system for attaching a plurality of wood products is provided. The system has a first wood product having a first chemical compound applied to a surface of the first wood product. In addition the system has a second wood product having a second chemical compound applied to a surface of the second wood product. An adduct is formed when the first chemical compound contacts the second chemical compound wherein the first wood product becomes adhered to the second wood product. The first chemical compound and the second chemical compound have an open assembly time greater than or approximately equal to 24 hours.

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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 July 5, 2006 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 5, 2026.
  • 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.
FiledJuly 5, 2006
GrantedJanuary 10, 2012
Term endedJuly 5, 2026
Patent numberCA 2551475 C
Classification (IPC)C09J163/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 5, 2006Patent grantedJan 10, 2012Term endedJuly 5, 2026

Sources & verification

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