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EP 0039057 B1 · Applicant: Komsthöft, Herbert

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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, 1981 and granted October 23, 1985. A European patent lasts at most 20 years from filing, so its term ended April 24, 2001.
  • 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, 2006.
  • 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, 1981
PublishedNovember 4, 1981
GrantedOctober 23, 1985
Term endedApril 24, 2001
Application numberEP 81103099
Classification (CPC)B65H27/00

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedApril 24, 1981PublishedNov 4, 1981Patent grantedOct 23, 1985Term endedApril 24, 2001

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.