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Expired European patentEurope

Vacuum melting - pressure pouring induction furnace

EP 0697577 B1 · Applicant: NIPPON MINING & METALS COMPANY, LIMITED

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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 April 11, 1995 and granted December 23, 1998. A European patent lasts at most 20 years from filing, so its term ended April 11, 2015.
  • 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 11, 2020.
  • 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 11, 1995
PublishedFebruary 21, 1996
GrantedDecember 23, 1998
Term endedApril 11, 2015
Application numberEP 95302401
Classification (CPC)F27B14/04 +2 more

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedApril 11, 1995PublishedFeb 21, 1996Patent grantedDec 23, 1998Term endedApril 11, 2015

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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