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Expired European patentEurope

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EP 0174405 B1 · Applicant: MICRODOT INC.

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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 September 12, 1984 and granted March 9, 1988. A European patent lasts at most 20 years from filing, so its term ended September 12, 2004.
  • 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 March 12, 2010.
  • 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.
FiledSeptember 12, 1984
PublishedMarch 19, 1986
GrantedMarch 9, 1988
Term endedSeptember 12, 2004
Application numberEP 84306252
Classification (CPC)B29C66/73755 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedSep 12, 1984PublishedMarch 19, 1986Patent grantedMarch 9, 1988Term endedSep 12, 2004

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.