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EP 0087285 B1 · Applicant: MINNESOTA MINING AND MANUFACTURING 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 February 18, 1983 and granted December 11, 1985. A European patent lasts at most 20 years from filing, so its term ended February 18, 2003.
  • 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 18, 2008.
  • 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 18, 1983
PublishedAugust 31, 1983
GrantedDecember 11, 1985
Term endedFebruary 18, 2003
Application numberEP 83300848
Classification (CPC)B44C1/17 +2 more

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedFeb 18, 1983PublishedAug 31, 1983Patent grantedDec 11, 1985Term endedFeb 18, 2003

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.