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Expired European patentEurope

Numerical control method having a function for compensating the delay in the follow-up operation

EP 0302943 B1 · Applicant: FANUC LTD.

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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 February 4, 1988 and granted October 6, 1993. A European patent lasts at most 20 years from filing, so its term ended February 4, 2008.
  • 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 August 4, 2013.
  • 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.
FiledFebruary 4, 1988
PublishedFebruary 15, 1989
GrantedOctober 6, 1993
Term endedFebruary 4, 2008
Application numberEP 88901456
Classification (CPC)G05B19/404

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedFeb 4, 1988PublishedFeb 15, 1989Patent grantedOct 6, 1993Term endedFeb 4, 2008

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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