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Expired European patentEurope

Trestle

EP 0046775 B1 · Applicant: LINDSKOG, Kjell Jan-Erik

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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 19, 1981 and granted August 15, 1984. A European patent lasts at most 20 years from filing, so its term ended February 19, 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 19, 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 19, 1981
PublishedMarch 10, 1982
GrantedAugust 15, 1984
Term endedFebruary 19, 2001
Application numberEP 81900489
Classification (CPC)F16M11/046

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedFeb 19, 1981PublishedMarch 10, 1982Patent grantedAug 15, 1984Term endedFeb 19, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.