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Expired European patentEurope

Handling system for an object (key) board

EP 0097538 B1 · Applicant: Doucet, Joel

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

Read the whole patent

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 April 20, 1983 and granted July 30, 1986. A European patent lasts at most 20 years from filing, so its term ended April 20, 2003.
  • 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 October 20, 2008.
  • 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.
FiledApril 20, 1983
PublishedJanuary 4, 1984
GrantedJuly 30, 1986
Term endedApril 20, 2003
Application numberEP 83400782
Classification (CPC)A47G29/10 +2 more

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedApril 20, 1983PublishedJan 4, 1984Patent grantedJuly 30, 1986Term endedApril 20, 2003

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.