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Expired Canadian patentCanada

Hollow pipe connector

CA 2551252 C · Owner: Brooke Erin Desantis · Inventors: Leblanc, Alexandre

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 hollow pipe connector is described for interconnecting opposed ends of two hollow pipes in abutting end-to-end relationship. Preferably but not exclusively, the pipes are hollow pile cylinders of circular cross--section. The connector is formed by two flat metal plates each having interconnecting slots whereby the plates are coupled together to form a connector of X-cross-section. Each of the plates have outer side edges having opposed sloped edge portions on a respective side of an arresting raised projection formed in the outer edge in a mid-section thereof. The sloped edge portions slope inwardly towards a respective one of the opposed ends of the connector member. The connector …

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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 June 22, 2006 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 22, 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.
FiledJune 22, 2006
GrantedOctober 23, 2012
Term endedJune 22, 2026
Patent numberCA 2551252 C
Classification (IPC)F16B7/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 22, 2006Patent grantedOct 23, 2012Term endedJune 22, 2026

Sources & verification

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