Patent No. EP4574780 (titled "Drawing Head For Producing A Glass Tube, Apparatus For Producing A Glass Tube, Process For Producing A Glass Tube Via A Drawing Process, And Glass Tube") was filed by Schott on Dec 22, 2023. The application was issued on Jun 25, 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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