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Expired European patentEurope

Method of discharging a weft yarn wound around a drum

EP 0556775 B1 · Applicant: TSUDAKOMA KOGYO KABUSHIKI KAISHA

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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 16, 1993 and granted August 6, 1997. A European patent lasts at most 20 years from filing, so its term ended February 16, 2013.
  • 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 16, 2018.
  • 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 16, 1993
PublishedAugust 25, 1993
GrantedAugust 6, 1997
Term endedFebruary 16, 2013
Application numberEP 93102401
Classification (CPC)D03D47/34

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedFeb 16, 1993PublishedAug 25, 1993Patent grantedAug 6, 1997Term endedFeb 16, 2013

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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