Patent No. EP1664404 (titled "Device And Method For The Production Of Rove By Means Of A Pneumatic Spinning Process") was filed by Maschinenfabrik Rieter on Jul 16, 2004. The application was issued on Jun 18, 2014.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
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.
Date
Description
Get instant alerts for new documents