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Expired European patentEurope

Lost formwork for use when casting concrete floors

EP 0054026 B1 · Applicant: MARIESTADS BYGGPRODUKTER HB

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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 February 24, 1981 and granted January 18, 1984. A European patent lasts at most 20 years from filing, so its term ended February 24, 2001.
  • 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 August 24, 2006.
  • 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.
FiledFebruary 24, 1981
PublishedJune 23, 1982
GrantedJanuary 18, 1984
Term endedFebruary 24, 2001
Application numberEP 81900546
Classification (CPC)E04G21/10 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedFeb 24, 1981PublishedJune 23, 1982Patent grantedJan 18, 1984Term endedFeb 24, 2001

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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