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Expired European patentEurope

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EP 1161978 B1 · Applicant: Irema-Filter GmbH

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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.

Why it's free to use

  • Filed April 11, 2001 and granted December 29, 2004. A European patent lasts at most 20 years from filing, so its term ended April 11, 2021.
  • 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 11, 2001
PublishedDecember 12, 2001
GrantedDecember 29, 2004
Term endedApril 11, 2021
Application numberEP 01108988
Classification (CPC)B01D46/0001 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedApril 11, 2001PublishedDec 12, 2001Patent grantedDec 29, 2004Term endedApril 11, 2021

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