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Expired Canadian patentCanada

A portal apparatus and method for its use

CA 2600902 C · Owner: Asiaworld Shipping Services Pty Ltd. · Inventors: Ivanine, Serguei; Brash, Kenneth George

CIPO record

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

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Abstract From the Canadian patent

A portal apparatus in the form of an arch-shaped pipe fitting (10) for use with a fumigation chamber that in part incorporates a flexible canopy. The pipe fitting (10) can be seated on the ground (12) so as to be positioned between the canopy and the ground (12). A sealing surface (22) on the pipe fitting (10) is contactable with the flexible canopy so as to provide a gastight seal. An assembly for directing the flow of gas in general the assembly , being operable in various configurations and comprising first and second gas , inlets and outlets respectively. An assembly for operatively coupling gas extraction, treatment and recirculation apparatus and comprising first and , second gas …

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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 March 1, 2006 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 1, 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.
FiledMarch 1, 2006
GrantedOctober 15, 2013
Term endedMarch 1, 2026
Patent numberCA 2600902 C
Classification (IPC)F16L3/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 1, 2006Patent grantedOct 15, 2013Term endedMarch 1, 2026

Sources & verification

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