Expired European patentEurope
High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength alloyed hot-dip galvanized thin steel sheet and process for producing the same
EP 1681363 B1 · Applicant: NIPPON STEEL CORPORATION
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.
Why it's free to use
- Filed September 30, 2004 and granted January 11, 2012. A European patent lasts at most 20 years from filing, so its term ended September 30, 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.
FiledSeptember 30, 2004
PublishedJuly 19, 2006
GrantedJanuary 11, 2012
Term endedSeptember 30, 2024
Application numberEP 04773654
Classification (CPC)C23C2/26 +2 more
Timeline
Timeline From EPO dates
Sources & verification
Official EPO records
Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.