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Expired European patentEurope

Composite structural member and wall assembly method

EP 1019592 B1 · Applicant: National Gypsum Properties LLC

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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 21, 1997 and granted June 6, 2007. A European patent lasts at most 20 years from filing, so its term ended August 21, 2017.
  • 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 21, 2023.
  • 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 21, 1997
PublishedJuly 19, 2000
GrantedJune 6, 2007
Term endedAugust 21, 2017
Application numberEP 97938511
Classification (CPC)E04C3/34 +2 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedAug 21, 1997PublishedJuly 19, 2000Patent grantedJune 6, 2007Term endedAug 21, 2017

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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