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Expired European patentEurope

Air-conditioner monitor system

EP 1275909 B1 · Applicant: Daikin Industries, Ltd.

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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 20, 2001 and granted October 13, 2010. A European patent lasts at most 20 years from filing, so its term ended April 20, 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 20, 2001
PublishedJanuary 15, 2003
GrantedOctober 13, 2010
Term endedApril 20, 2021
Application numberEP 01921975
Classification (CPC)F24F11/30 +1 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedApril 20, 2001PublishedJan 15, 2003Patent grantedOct 13, 2010Term endedApril 20, 2021

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.