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Expired European patentEurope

A composite metal anchor for refractory linings

EP 0127315 B1 · Applicant: EXXON RESEARCH AND ENGINEERING COMPANY

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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 25, 1984 and granted October 29, 1986. A European patent lasts at most 20 years from filing, so its term ended April 25, 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 October 25, 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.
FiledApril 25, 1984
PublishedDecember 5, 1984
GrantedOctober 29, 1986
Term endedApril 25, 2004
Application numberEP 84302781
Classification (CPC)F27D1/141

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedApril 25, 1984PublishedDec 5, 1984Patent grantedOct 29, 1986Term endedApril 25, 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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