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Expired European patentEurope

Generator transfer function regulator

EP 1010235 B1 · Applicant: Rolls Royce Power Engineering plc

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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 May 13, 1997 and granted October 16, 2002. A European patent lasts at most 20 years from filing, so its term ended May 13, 2017.
  • 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 November 13, 2022.
  • 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.
FiledMay 13, 1997
PublishedJune 21, 2000
GrantedOctober 16, 2002
Term endedMay 13, 2017
Application numberEP 97921938
Classification (CPC)H02P9/105 +1 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedMay 13, 1997PublishedJune 21, 2000Patent grantedOct 16, 2002Term endedMay 13, 2017

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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