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Expired Canadian patentCanada

Weldless platform assembly

CA 2455312 C · Owner: H-Blanchette Ltee · Inventors: Blanchette, Maurice

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 modular platform comprises skeleton components made from metal sheets cut and folded into beams. The cold-formed beams are bolted together to provide a rigid frame structure. Corner braces are provided at each corner of the frame. The corner braces are directly bolted to the cold-formed beam members. A guard rail assembly is provided along at least a portion of the perimeter of the frame. The guard rail assembly comprises guard posts which are formed from a single strip of metal bend cold into a C-shaped elongated member.

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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 January 16, 2004 and granted July 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 16, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 16, 2004
GrantedJuly 3, 2012
Term endedJanuary 16, 2024
Patent numberCA 2455312 C
Classification (IPC)E04G1/00 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJan 16, 2004Patent grantedJuly 3, 2012Term endedJan 16, 2024

Sources & verification

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