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Expired European patentEurope

Buoy and method of manufacturing same

EP 1506920 B1 · Applicant: Trident Offshore Ltd.

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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 11, 2004 and granted April 15, 2009. A European patent lasts at most 20 years from filing, so its term ended August 11, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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 11, 2004
PublishedFebruary 16, 2005
GrantedApril 15, 2009
Term endedAugust 11, 2024
Application numberEP 04254830
Classification (CPC)B63B22/00 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 11, 2004PublishedFeb 16, 2005Patent grantedApril 15, 2009Term endedAug 11, 2024

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.