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Expired Canadian patentCanada

Structural assembly with a tied, flexurally deformed panel

CA 2619586 C · Owner: Hill, G. Roland · Inventors: Hill, G. Roland

CIPO record

Overview

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

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Abstract From the Canadian patent

An assembly includes a flexurally deformed panel which is connected , to a membrane tie by a linear connector and is tied by the membrane tie to form a geometrically stable pre-stressed structure. More than one panel may be flexurally deformed and tied together in an assembly and more than one membrane tie may be present within an assembly. Panels are typically semi-rigid sheet materials, for example metal sheets plastic sheets, or , sheets of , composite materials such as glass or carbon fibre reinforced plastics or resins. Membrane tie members are typically flexible for example plastic , films, fabrics or nets or arrays of rods or cables. The assemblies have many different geometric …

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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 August 21, 2006 and granted April 28, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 21, 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.
FiledAugust 21, 2006
GrantedApril 28, 2015
Term endedAugust 21, 2026
Patent numberCA 2619586 C
Classification (IPC)G09F15/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 21, 2006Patent grantedApril 28, 2015Term endedAug 21, 2026

Sources & verification

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