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Expired European patentEurope

Atmospheric pressure chamber in an ink jet system printer

EP 0115396 B1 · Applicant: SHARP KABUSHIKI KAISHA

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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 January 17, 1984 and granted May 11, 1988. A European patent lasts at most 20 years from filing, so its term ended January 17, 2004.
  • 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 July 17, 2009.
  • 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.
FiledJanuary 17, 1984
PublishedAugust 8, 1984
GrantedMay 11, 1988
Term endedJanuary 17, 2004
Application numberEP 84300261
Classification (CPC)B41J2/175

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJan 17, 1984PublishedAug 8, 1984Patent grantedMay 11, 1988Term endedJan 17, 2004

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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