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Expired European patentEurope

Method and system for generating a spherical aberration signal error

EP 1763876 B1 · Applicant: Koninklijke Philips Electronics N.V.

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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 June 22, 2005 and granted May 28, 2008. A European patent lasts at most 20 years from filing, so its term ended June 22, 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.
FiledJune 22, 2005
PublishedMarch 21, 2007
GrantedMay 28, 2008
Term endedJune 22, 2025
Application numberEP 05751695
Classification (CPC)G11B7/131 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedJune 22, 2005PublishedMarch 21, 2007Patent grantedMay 28, 2008Term endedJune 22, 2025

Sources & verification

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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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