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Expired Canadian patentCanada

Structurally integrated antenna aperture and fabrication method

CA 2584313 C · Owner: The Boeing Company · Inventors: Marshall, Joseph A.; Herndon, Gerald F.; Vos, Robert G.

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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 phased array antenna aperture able to form a structural load bearing , portion of another structure for example, a portion of a mobile platform. The antenna aperture is formed with a plurality of radiating elements sandwiched between prepreg fabric plies to form independent wall sections having a plurality of electromagnetic radiating elements embedded therein. The wall sections are secured in a honeycomb arrangement to form an array of cells of radiating elements. The manufacturing methods described herein enable arrays of widely varying sizes and shapes to be created and used as structural load , bearing portions of a wing, fuselage door panel or other area of a mobile , platform. …

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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 October 7, 2005 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2025.
  • 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.
FiledOctober 7, 2005
GrantedMarch 25, 2014
Term endedOctober 7, 2025
Patent numberCA 2584313 C
Classification (IPC)H01Q21/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 7, 2005Patent grantedMarch 25, 2014Term endedOct 7, 2025

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