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Expired Canadian patentCanada

Joint member

CA 2544930 C · Owner: Ito, Hiroshi · Inventors: Ito, Hiroshi

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

To provide a joint member capable of forming a joint portion that can be easily constructed and has an excellent design and a high waterproof capacity even if it is manufactured at a low cost. A joint member 1 is composed of a hat joiner 10 and a joint cover 20 and the , hat joiner 10 is composed of a base plate 11 to be fastened to the body side of building frame and a convex portion 12 protruding from the base plate 11 to the surface side. The joint cover 20 is provided with a joint groove portion 21 that covers a top surface 12c of the convex portion 12 in the course of construction and a , lower edge portion 23 extending from the lower end of the joint groove portion 21 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

  • Filed April 26, 2006 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 26, 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.
FiledApril 26, 2006
GrantedJuly 10, 2012
Term endedApril 26, 2026
Patent numberCA 2544930 C
Classification (IPC)E04B1/68

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedApril 26, 2006Patent grantedJuly 10, 2012Term endedApril 26, 2026

Sources & verification

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