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Expired European patentEurope

Symmetrical multipath method for determining the distance between two transceivers

EP 1815267 B1 · Applicant: Nanotron Technologies GmbH

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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 November 15, 2005 and granted June 10, 2015. A European patent lasts at most 20 years from filing, so its term ended November 15, 2025.
  • 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.
FiledNovember 15, 2005
PublishedAugust 8, 2007
GrantedJune 10, 2015
Term endedNovember 15, 2025
Application numberEP 05819140
Classification (CPC)G01S7/28 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 15, 2005PublishedAug 8, 2007Patent grantedJune 10, 2015Term endedNov 15, 2025

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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