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Expired European patentEurope

Air filter arrangement, assembly and methods

EP 1771237 B1 · Applicant: DONALDSON COMPANY, 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 June 10, 2005 and granted November 10, 2010. A European patent lasts at most 20 years from filing, so its term ended June 10, 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 10, 2005
PublishedApril 11, 2007
GrantedNovember 10, 2010
Term endedJune 10, 2025
Application numberEP 05760294
Classification (CPC)B01D46/526

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedJune 10, 2005PublishedApril 11, 2007Patent grantedNov 10, 2010Term endedJune 10, 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

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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