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Expired European patentEurope

Method for dynamically altering a send queue of documents in a data communication system

EP 0067957 B1 · Applicant: International Business Machines Corporation

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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 May 12, 1982 and granted February 20, 1985. A European patent lasts at most 20 years from filing, so its term ended May 12, 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 November 12, 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.
FiledMay 12, 1982
PublishedDecember 29, 1982
GrantedFebruary 20, 1985
Term endedMay 12, 2002
Application numberEP 82104111
Classification (CPC)H04L13/08 +1 more

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedMay 12, 1982PublishedDec 29, 1982Patent grantedFeb 20, 1985Term endedMay 12, 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.