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Expired European patentEurope

Method for inhibiting corrosion of metal

EP 1598445 B1 · Applicant: Canadian Auto Preservation 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 July 22, 2004 and granted December 18, 2013. A European patent lasts at most 20 years from filing, so its term ended July 22, 2024.
  • 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 22, 2004
PublishedNovember 23, 2005
GrantedDecember 18, 2013
Term endedJuly 22, 2024
Application numberEP 04017268
Classification (CPC)C23F13/00 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJuly 22, 2004PublishedNov 23, 2005Patent grantedDec 18, 2013Term endedJuly 22, 2024

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.