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Expired European patentEurope

Multiple disc locking differential

EP 1736690 B1 · Applicant: Dr.Ing. h.c.F. Porsche 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 April 21, 2006 and granted November 5, 2008. A European patent lasts at most 20 years from filing, so its term ended April 21, 2026.
  • 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.
FiledApril 21, 2006
PublishedDecember 27, 2006
GrantedNovember 5, 2008
Term endedApril 21, 2026
Application numberEP 06008251
Classification (CPC)B60K23/04 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedApril 21, 2006PublishedDec 27, 2006Patent grantedNov 5, 2008Term endedApril 21, 2026

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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