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Expired European patentEurope

Claw coupling with synchronization device for locking

EP 0277115 B1 · Applicant: ZF FRIEDRICHSHAFEN 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 July 17, 1986 and granted July 4, 1990. A European patent lasts at most 20 years from filing, so its term ended July 17, 2006.
  • 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 January 17, 2012.
  • 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.
FiledJuly 17, 1986
PublishedAugust 10, 1988
GrantedJuly 4, 1990
Term endedJuly 17, 2006
Application numberEP 86904171
Classification (CPC)F16D23/06

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedJuly 17, 1986PublishedAug 10, 1988Patent grantedJuly 4, 1990Term endedJuly 17, 2006

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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