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European application, no grantEurope

Method and apparatus for the transmission of colour pictures by the facsimile technique

EP 0052184 A2 · Applicant: DR.-ING. RUDOLF HELL GmbH

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Overview

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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 August 17, 1981 and never granted as a European patent. Had it been granted, its 20-year term would have ended August 17, 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 February 17, 2007.
  • 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.
FiledAugust 17, 1981
PublishedMay 26, 1982
GrantedNever granted
Term endedAugust 17, 2001
Application numberEP 81106381
Classification (CPC)H04N1/646

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedAug 17, 1981PublishedMay 26, 1982Term endedAug 17, 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

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