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Expired European patentEurope

Pressurised atomising nozzle

EP 0461447 B1 · Applicant: ASEA BROWN BOVERI AG

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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 May 25, 1991 and granted May 10, 1995. A European patent lasts at most 20 years from filing, so its term ended May 25, 2011.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by November 25, 2016.
  • 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.
FiledMay 25, 1991
PublishedDecember 18, 1991
GrantedMay 10, 1995
Term endedMay 25, 2011
Application numberEP 91108522
Classification (CPC)F23D11/40

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedMay 25, 1991PublishedDec 18, 1991Patent grantedMay 10, 1995Term endedMay 25, 2011

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.