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Expired European patentEurope

Method and system for emulating a fibre channel link over a sonet/sdh path

EP 1604216 B1 · Applicant: Cisco Technology, Inc.

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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 March 12, 2004 and granted August 31, 2011. A European patent lasts at most 20 years from filing, so its term ended March 12, 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.
FiledMarch 12, 2004
PublishedDecember 14, 2005
GrantedAugust 31, 2011
Term endedMarch 12, 2024
Application numberEP 04720394
Classification (CPC)H04J3/1617

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedMarch 12, 2004PublishedDec 14, 2005Patent grantedAug 31, 2011Term endedMarch 12, 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

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