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Expired European patentEurope

Air filter and air conditioner

EP 1275907 B1 · Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA

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Overview

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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 July 11, 2002 and granted January 19, 2005. A European patent lasts at most 20 years from filing, so its term ended July 11, 2022.
  • 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.
FiledJuly 11, 2002
PublishedJanuary 15, 2003
GrantedJanuary 19, 2005
Term endedJuly 11, 2022
Application numberEP 02254873
Classification (CPC)F24F13/28 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedJuly 11, 2002PublishedJan 15, 2003Patent grantedJan 19, 2005Term endedJuly 11, 2022

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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