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Expired Canadian patentCanada

Dry joint aluminum wall panel attachment system

CA 2526953 C · Owner: Macdonald, Philip A. · Inventors: Macdonald, Philip A.; Macdonald, Robert B.

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

A dry joint aluminum wall panel attachment system for attaching a wall panel to an exterior , building wall. The system has a bracket assembly fastened to the exterior wall, an attachment , clip having a central fastening surface fastened to the bracket assembly and a pair of symmetric , wing members. A generally C-shaped panel perimeter strip sits inside a corner of the wall panel , and extends along an inside portion of the side surface with a slot adapted to engage and , interlock one of the wing members of the attachment clip. An infill strip is disposed within the , slot between the attachment clip and rivets to cover the fastener. The system is held together , non-adhesively …

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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 November 14, 2005 and granted February 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 14, 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.
FiledNovember 14, 2005
GrantedFebruary 19, 2013
Term endedNovember 14, 2025
Patent numberCA 2526953 C
Classification (IPC)E04B1/68 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 14, 2005Patent grantedFeb 19, 2013Term endedNov 14, 2025

Sources & verification

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