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Expired European patentEurope

Arrangement of a substrate for grassing a roof and procedure for its fabrication

EP 0266701 B1 · Applicant: FRÄNKISCHE ROHRWERKE, GEBR. KIRCHNER GmbH & Co.

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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 October 30, 1987 and granted June 24, 1992. A European patent lasts at most 20 years from filing, so its term ended October 30, 2007.
  • 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 April 30, 2013.
  • 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.
FiledOctober 30, 1987
PublishedMay 11, 1988
GrantedJune 24, 1992
Term endedOctober 30, 2007
Application numberEP 87116013
Classification (CPC)E04D11/002

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedOct 30, 1987PublishedMay 11, 1988Patent grantedJune 24, 1992Term endedOct 30, 2007

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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