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Expired Canadian patentCanada

Clamping assembly for woodworking knife

CA 2531612 C · Owner: Iggesund Tools Ab · Inventors: Lagrange, Daniel M.; Zinniger, Ian G.; Gouin, Mathieu J.A.

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 clamping assembly to hold a woodworking knife in place in a woodworking machine. The clamping assembly comprises a clamping component comprising a body and an actuator. The body has three discrete contact positions distributed thereon: 1) a fulcrum located generally at one end 2) a knife abutting portion located generally at the other end and 3) a bearing surface located elsewhere. The actuator is for applying a clamping force to the body along a clamping axis located intermediate of the knife abutting portion and the fulcrum. The fulcrum is a surface having a normal that is at an angle to the clamping axis. The bearing surface is a surface wherein a line normal to the bearing surface …

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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 December 23, 2005 and granted May 13, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 23, 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.
FiledDecember 23, 2005
GrantedMay 13, 2014
Term endedDecember 23, 2025
Patent numberCA 2531612 C
Classification (IPC)B27G13/04

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 23, 2005Patent grantedMay 13, 2014Term endedDec 23, 2025

Sources & verification

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