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Expired European patentEurope

Method and aparatus for true relative amplitude correction of seismic data for normal moveout stretch effects

EP 1849025 B1 · Applicant: Chevron U.S.A., 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 February 9, 2006 and granted January 16, 2013. A European patent lasts at most 20 years from filing, so its term ended February 9, 2026.
  • 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.
FiledFebruary 9, 2006
PublishedOctober 31, 2007
GrantedJanuary 16, 2013
Term endedFebruary 9, 2026
Application numberEP 06734717
Classification (CPC)G01V1/362

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedFeb 9, 2006PublishedOct 31, 2007Patent grantedJan 16, 2013Term endedFeb 9, 2026

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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

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