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EP 0097724 B1 · Applicant: DR.-ING. RUDOLF HELL 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 June 3, 1982 and granted October 2, 1985. A European patent lasts at most 20 years from filing, so its term ended June 3, 2002.
  • 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 December 3, 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.
FiledJune 3, 1982
PublishedJanuary 11, 1984
GrantedOctober 2, 1985
Term endedJune 3, 2002
Application numberEP 82104843
Classification (CPC)H04N1/38 +2 more

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedJune 3, 1982PublishedJan 11, 1984Patent grantedOct 2, 1985Term endedJune 3, 2002

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.