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Expired European patentEurope

Non-demolition photon detector that preserves input state characteristics

EP 1761887 B1 · Applicant: Hewlett-Packard Development Company, L.P.

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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 28, 2005 and granted January 10, 2018. A European patent lasts at most 20 years from filing, so its term ended April 28, 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.
FiledApril 28, 2005
PublishedMarch 14, 2007
GrantedJanuary 10, 2018
Term endedApril 28, 2025
Application numberEP 05741090
Classification (CPC)B82Y10/00

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedApril 28, 2005PublishedMarch 14, 2007Patent grantedJan 10, 2018Term endedApril 28, 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

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