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Expired European patentEurope

Generic application programming interface system and method

EP 0371941 B1 · Applicant: International Business Machines Corporation

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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 November 27, 1989 and granted July 3, 1996. A European patent lasts at most 20 years from filing, so its term ended November 27, 2009.
  • 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 May 27, 2015.
  • 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.
FiledNovember 27, 1989
PublishedJune 6, 1990
GrantedJuly 3, 1996
Term endedNovember 27, 2009
Application numberEP 89850413
Classification (CPC)G06F8/76 +2 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedNov 27, 1989PublishedJune 6, 1990Patent grantedJuly 3, 1996Term endedNov 27, 2009

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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