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Expired European patentEurope

Method for treating water from displacement and therapy basins

EP 1727770 B1 · Applicant: Technisches Zentrum Entwicklungs- &HandelsGmbH

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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 24, 2005 and granted April 16, 2008. A European patent lasts at most 20 years from filing, so its term ended February 24, 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.
FiledFebruary 24, 2005
PublishedDecember 6, 2006
GrantedApril 16, 2008
Term endedFebruary 24, 2025
Application numberEP 05733703
Classification (CPC)C02F9/00

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedFeb 24, 2005PublishedDec 6, 2006Patent grantedApril 16, 2008Term endedFeb 24, 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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