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Expired European patentEurope

Analog-digital converter in the temperature range of supraconductivity

EP 0268105 B1 · Applicant: DORNIER GMBH

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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 October 23, 1987 and granted September 30, 1992. A European patent lasts at most 20 years from filing, so its term ended October 23, 2007.
  • 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 April 23, 2013.
  • 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.
FiledOctober 23, 1987
PublishedMay 25, 1988
GrantedSeptember 30, 1992
Term endedOctober 23, 2007
Application numberEP 87115536
Classification (CPC)H03M1/56

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedOct 23, 1987PublishedMay 25, 1988Patent grantedSep 30, 1992Term endedOct 23, 2007

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

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