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Expired European patentEurope

Rotary slide valve for power assisted steering of motor vehicles

EP 1024989 B1 · Applicant: ZF FRIEDRICHSHAFEN Aktiengesellschaft

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Overview

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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 23, 1998 and granted December 19, 2001. A European patent lasts at most 20 years from filing, so its term ended October 23, 2018.
  • 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 April 23, 2024.
  • 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 23, 1998
PublishedAugust 9, 2000
GrantedDecember 19, 2001
Term endedOctober 23, 2018
Application numberEP 98956869
Classification (CPC)B62D5/0835

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedOct 23, 1998PublishedAug 9, 2000Patent grantedDec 19, 2001Term endedOct 23, 2018

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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