Patent No. EP4338182 (titled "Contact Monitoring Apparatus For A Three-Pole Changeover Contact") was filed by Phoenix Contact on May 10, 2022. The application was issued on Aug 6, 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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