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Light Scattering Smoke Alarm With Means Of Suppressing An Acoustic Warning If Battery Voltage Is Low - EP2423895
The patent EP2423895 was granted to Siemens on Mar 8, 2017. The application was filed on Aug 23, 2011 under application number EP11178548A. The patent is currently recorded with a legal status of "Opposition Rejected".
EP2423895
- Application Number
- EP11178548A
- Filing Date
- Aug 23, 2011
- Status
- Opposition Rejected
- Sep 20, 2019
- Publication Date
- Mar 8, 2017
- External Links
- Slate, Register, Google Patents
Patent Summary
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.
Patent Citations (14) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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.
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