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Expired European patentEurope

Process to strengthen the grain boundaries of a component made from a Ni based superalloy

EP 1078996 B1 · Applicant: ABB ALSTOM POWER (Schweiz) AG

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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 August 9, 1999 and granted February 11, 2004. A European patent lasts at most 20 years from filing, so its term ended August 9, 2019.
  • 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 February 9, 2025.
  • 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.
FiledAugust 9, 1999
PublishedFebruary 28, 2001
GrantedFebruary 11, 2004
Term endedAugust 9, 2019
Application numberEP 99810712
Classification (CPC)C23C8/06 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedAug 9, 1999PublishedFeb 28, 2001Patent grantedFeb 11, 2004Term endedAug 9, 2019

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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