The patent EP2133440 was granted to Nisshin Steel on Jan 3, 2018. The application was originally filed on Sep 26, 2007 under application number EP07849900A. The patent is currently recorded with a legal status of "No Opposition Filed Within Time Limit".

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.
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