Patent No. EP4521172 (titled "Tool And Method For Separating Spiral Springs After Stripping And Heat Treatment") was filed by Nivarox FAR on Sep 6, 2023. The application was issued on Mar 12, 2025.

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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