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Expired European patentEurope

Integrated micromechanical sensor device and process for producing it

EP 0720748 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 September 20, 1994 and granted November 18, 1998. A European patent lasts at most 20 years from filing, so its term ended September 20, 2014.
  • 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 March 20, 2020.
  • 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.
FiledSeptember 20, 1994
PublishedJuly 10, 1996
GrantedNovember 18, 1998
Term endedSeptember 20, 2014
Application numberEP 94926800
Classification (CPC)B81C1/00928 +2 more

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedSep 20, 1994PublishedJuly 10, 1996Patent grantedNov 18, 1998Term endedSep 20, 2014

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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