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Rotary Wing Aircraft Provided With A Rear Rotor, And Method For Optimising The Operation Of A Rear Rotor - EP2631174

The patent EP2631174 was granted to Airbus Helicopters on Mar 15, 2017. The application was originally filed on Jan 21, 2013 under application number EP13000285A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2631174

AIRBUS HELICOPTERS
Application Number
EP13000285A
Filing Date
Jan 21, 2013
Status
Opposition Rejected
Feb 4, 2022
Publication Date
Mar 15, 2017
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.

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LEONARDODec 15, 2017DI SCIUVAADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication Number
DESCRIPTIONEP2327625
DESCRIPTIONUS2009140095
DESCRIPTIONUS2010123039
DESCRIPTIONUS2378617
EXAMINATIONUS2009171517
OPPOSITIONUS2009171517
OPPOSITIONUS2010123039
OPPOSITIONUS2011121127
OPPOSITIONUS2378617
OPPOSITIONUS4953811
OPPOSITIONUS5566907
OPPOSITIONUS6198991
OPPOSITIONUS7296767
OPPOSITIONUS7651050
OPPOSITIONUS8757542
OPPOSITIONUS8931732
OPPOSITIONWO2008048245
OPPOSITIONWO2010143051
OTHERUS2009171517
OTHERUS2011121127
OTHERUS2378617
SEARCHEP2327625
SEARCHUS2010123039
SEARCHUS2378617

Dossier Documents

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