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Expired European patentEurope

Concrete pole and method of reinforcing same

EP 0624700 B1 · Applicant: Tonen Corporation

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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 May 12, 1994 and granted January 14, 1998. A European patent lasts at most 20 years from filing, so its term ended May 12, 2014.
  • 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 November 12, 2019.
  • 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.
FiledMay 12, 1994
PublishedNovember 17, 1994
GrantedJanuary 14, 1998
Term endedMay 12, 2014
Application numberEP 94303404
Classification (CPC)E04H12/2292

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedMay 12, 1994PublishedNov 17, 1994Patent grantedJan 14, 1998Term endedMay 12, 2014

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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