Patent Yard Sign in
Expired Canadian patentCanada

Truss gusset plate and roof anchor safety system

CA 2643004 C · Owner: Crookston, Lawrence A. · Inventors: Crookston, Lawrence A.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A roof truss connector plate is provided comprising a mounting plate portion and an anchor portion extending from the mounting plate portion. The truss connector plate is a portion of a roof anchor safety system. The anchor portion of the truss connector plate allows various safety components of the roof anchor system to be secured to the roof. The truss connector plates are factory installed when the roof truss is formed and provide certifiable anchor capacity to the user.

Read the whole patent

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 February 28, 2006 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 28, 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.
FiledFebruary 28, 2006
GrantedMay 14, 2013
Term endedFebruary 28, 2026
Patent numberCA 2643004 C
Classification (IPC)E04D15/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 28, 2006Patent grantedMay 14, 2013Term endedFeb 28, 2026

Sources & verification

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