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Expired Canadian patentCanada

Method of agile reduction of radar cross section using electromagnetic channelization

CA 2632220 C · Owner: Messano, Al · Inventors: Messano, Al

CIPO record

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Abstract From the Canadian patent

A method for reducing radar cross section of an object that has conductive portions and that is expected to be scanned by radar which includes providing , the object with a multiple layer radar cross section reducing structure that reduces or entraps or dissipates radar waves therein so that the size or configuration of the object cannot be correctly detected by radar scanning. The invention also relates to the radar cross section reducing structure alone or associated with an object such as an aircraft vessel, structure or vehicle , that may enclose or transport personnel or equipment . The structure can be provided on an object that previously has no stealth capability or it can be …

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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 November 15, 2005 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 15, 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.
FiledNovember 15, 2005
GrantedAugust 21, 2012
Term endedNovember 15, 2025
Patent numberCA 2632220 C
Classification (IPC)H01Q17/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 15, 2005Patent grantedAug 21, 2012Term endedNov 15, 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.