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Expired European patentEurope

Suppression of unwanted signal elements by sinusoidal amplitude windowing

EP 1685654 B1 · Applicant: BAE Systems PLC

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed November 19, 2004 and granted September 25, 2013. A European patent lasts at most 20 years from filing, so its term ended November 19, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledNovember 19, 2004
PublishedAugust 2, 2006
GrantedSeptember 25, 2013
Term endedNovember 19, 2024
Application numberEP 04798631
Classification (CPC)H04B17/10 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedNov 19, 2004PublishedAug 2, 2006Patent grantedSep 25, 2013Term endedNov 19, 2024

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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