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Expired European patentEurope

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EP 0580705 B1 · Applicant: THE UNIVERSITY OF LEEDS

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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 April 24, 1992 and granted December 20, 1995. A European patent lasts at most 20 years from filing, so its term ended April 24, 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 October 24, 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.
FiledApril 24, 1992
PublishedFebruary 2, 1994
GrantedDecember 20, 1995
Term endedApril 24, 2012
Application numberEP 92909202
Classification (CPC)B05B7/20 +1 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedApril 24, 1992PublishedFeb 2, 1994Patent grantedDec 20, 1995Term endedApril 24, 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.