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Expired European patentEurope

Backside fitting attachment for nacelle acoustic panels

EP 1020845 B1 · Applicant: THE BOEING COMPANY

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Overview

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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 December 17, 1999 and granted November 25, 2009. A European patent lasts at most 20 years from filing, so its term ended December 17, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by June 17, 2025.
  • 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.
FiledDecember 17, 1999
PublishedJuly 19, 2000
GrantedNovember 25, 2009
Term endedDecember 17, 2019
Application numberEP 99204379
Classification (CPC)G10K11/16

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedDec 17, 1999PublishedJuly 19, 2000Patent grantedNov 25, 2009Term endedDec 17, 2019

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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