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EP 0562691 B1 · Applicant: E.I. DU PONT DE NEMOURS AND COMPANY

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 March 23, 1993 and granted June 4, 1997. A European patent lasts at most 20 years from filing, so its term ended March 23, 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 September 23, 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.
FiledMarch 23, 1993
PublishedSeptember 29, 1993
GrantedJune 4, 1997
Term endedMarch 23, 2013
Application numberEP 93200838
Classification (CPC)H01R13/6582

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedMarch 23, 1993PublishedSep 29, 1993Patent grantedJune 4, 1997Term endedMarch 23, 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

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