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Expired European patentEurope

Saw resonator filter with bridged-t configuration

EP 1067686 B1 · Applicant: Oki Electric Industry Co., Ltd.

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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 3, 2000 and granted June 30, 2010. A European patent lasts at most 20 years from filing, so its term ended March 3, 2020.
  • 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 September 3, 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.
FiledMarch 3, 2000
PublishedJanuary 10, 2001
GrantedJune 30, 2010
Term endedMarch 3, 2020
Application numberEP 00104656
Classification (CPC)H03H9/6483

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMarch 3, 2000PublishedJan 10, 2001Patent grantedJune 30, 2010Term endedMarch 3, 2020

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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