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Expired European patentEurope

Method and system for using altitude information in a satellite positioning system

EP 1840592 B1 · Applicant: Snaptrack, 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 April 13, 1999 and granted January 20, 2010. A European patent lasts at most 20 years from filing, so its term ended April 13, 2019.
  • 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 October 13, 2024.
  • 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.
FiledApril 13, 1999
PublishedOctober 3, 2007
GrantedJanuary 20, 2010
Term endedApril 13, 2019
Application numberEP 07011100
Classification (CPC)G01S19/50 +1 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedApril 13, 1999PublishedOct 3, 2007Patent grantedJan 20, 2010Term endedApril 13, 2019

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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