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Expired European patentEurope

Closed loop power control of non-constant envelope waveforms using sample/hold

EP 1604456 B1 · Applicant: Analog Devices, Inc.

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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 March 2, 2004 and granted June 15, 2011. A European patent lasts at most 20 years from filing, so its term ended March 2, 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.
FiledMarch 2, 2004
PublishedDecember 14, 2005
GrantedJune 15, 2011
Term endedMarch 2, 2024
Application numberEP 04716484
Classification (CPC)H03G3/3047

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedMarch 2, 2004PublishedDec 14, 2005Patent grantedJune 15, 2011Term endedMarch 2, 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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