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Expired European patentEurope

Apparatus for controlling load numerically

EP 0526660 B1 · Applicant: KABUSHIKIGAISHA SEKOGIKEN

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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 February 27, 1992 and granted July 16, 1997. A European patent lasts at most 20 years from filing, so its term ended February 27, 2012.
  • 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 27, 2017.
  • 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 27, 1992
PublishedFebruary 10, 1993
GrantedJuly 16, 1997
Term endedFebruary 27, 2012
Application numberEP 92905849
Classification (CPC)H02P25/089

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedFeb 27, 1992PublishedFeb 10, 1993Patent grantedJuly 16, 1997Term endedFeb 27, 2012

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.