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Expired European patentEurope

Integrated sensor

EP 1581817 B1 · Applicant: Allegro MicroSystems, LLC

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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 October 20, 2003 and granted April 8, 2020. A European patent lasts at most 20 years from filing, so its term ended October 20, 2023.
  • 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.
FiledOctober 20, 2003
PublishedOctober 5, 2005
GrantedApril 8, 2020
Term endedOctober 20, 2023
Application numberEP 03781413
Classification (CPC)G01R33/09 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedOct 20, 2003PublishedOct 5, 2005Patent grantedApril 8, 2020Term endedOct 20, 2023

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.