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Expired Canadian patentCanada

Assembly for providing flexure to blade system

CA 2596322 C · Owner: Haynie, David A. · Inventors: Braswell, James L.; Sadler, Stanley Gene; Mullins, Bob

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

An assembly for providing flexure to a blade of a rotary blade system the , assembly , including an upper support plate having an upper curved surface a lower , support plate having , a lower curved surface and a yoke positioned therebetween. At least one of the upper and , lower yoke surfaces having a layer of cushioning material positioned thereon and secured , thereto. The layer of cushioning material extending along and following the general contour of , yoke surface, and the layer of cushioning material directly contacting a support plate. Another , embodiment is an assembly for providing flexure to a blade of a rotary blade system, including. , an upper support plate having an …

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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 24, 2006 and granted September 13, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 24, 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.
FiledJanuary 24, 2006
GrantedSeptember 13, 2016
Term endedJanuary 24, 2026
Patent numberCA 2596322 C
Classification (IPC)B64C27/33 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 24, 2006Patent grantedSep 13, 2016Term endedJan 24, 2026

Sources & verification

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