Switch Device
Patent No. EP3684976 (titled "Switch Device") was filed by Voestalpine BWG on Sep 10, 2018. The application was issued on Nov 24, 2021.
Patent Summary
A monoblock switch device with improved driving comfort and reduced wheel wear, featuring an S-shaped joint connecting the tongue and connecting rails. The S-shaped joint provides a longer, two-part wheel running surface and eliminates the abrupt wheel overrun associated with traditional butt joints. The tongue rail is secured against longitudinal movement by a walking protection plate that runs adjacent to the S-shaped joint.
Patent Family
Patent Oppositions
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.
Dossier Documents
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
EP3684976
- Application Number
- EP18779209A
- Filing Date
- Sep 10, 2018
- Status
- Granted And Under Opposition
- Oct 23, 2021
- Publication Date
- Nov 24, 2021
- External Links
- Slate, Register , Google Patents