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Expired Canadian patentCanada

Structural framing system and components thereof

CA 2576802 C · Owner: Zadeh, Rahim · Inventors: Serpico, Fred; Zadeh, Rahim

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 structural framing system is provided that includes at least one first framing component having upper and lower flange elements separated by a web element having a depth measured between the upper and lower flange elements the upper and lower flange elements having upper and lower positioning dimples spaced therealong. The dimples protrude in such manner that a distance between the upper and lower dimples is less than the depth of the web.

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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 October 6, 2005 and granted December 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 6, 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.
FiledOctober 6, 2005
GrantedDecember 3, 2013
Term endedOctober 6, 2025
Patent numberCA 2576802 C
Classification (IPC)E04B1/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 6, 2005Patent grantedDec 3, 2013Term endedOct 6, 2025

Sources & verification

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