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Multi-Component Assembled Hydrostatic Seal - EP3659741

The patent EP3659741 was granted to Raytheon on Jul 12, 2023. The application was originally filed on Nov 28, 2019 under application number EP19212303A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3659741

RAYTHEON
Application Number
EP19212303A
Filing Date
Nov 28, 2019
Status
Granted And Under Opposition
Jun 9, 2023
Publication Date
Jul 12, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

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.

CompanyOpposition DateRepresentativeOpposition Status

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SAFRAN AIRCRAFT ENGINESApr 9, 2024BREVALEXADMISSIBLE

Patent Citations (14) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
OPPOSITIONEP2580498
OPPOSITIONEP2682567
OPPOSITIONEP3141700
OPPOSITIONEP3196518
OPPOSITIONEP3284983
OPPOSITIONUS2011121519
OPPOSITIONUS2012292860
OPPOSITIONUS2014119912
OPPOSITIONUS2016010480
SEARCHEP2264338
SEARCHEP3284983
SEARCHEP3290756
SEARCHEP3447344
SEARCHUS2016010480

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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    Description

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