Railcar Door Apparatus And The Railcar Equipped Therewith

Patent No. EP3369639 (titled "Railcar Door Apparatus And The Railcar Equipped Therewith") was filed by Nabtesco on Feb 16, 2018. The application was issued on Jan 31, 2024.

Patent Summary

A railcar door apparatus with a simplified emergency unlocking mechanism. The apparatus includes a door body, a locking mechanism, and an operation member that can be moved between a non-operation position, an operation position, and a second operation position. The operation member is held in place after being moved to the operation position or second operation position, and a clutch mechanism engages/disengages transmission of the operation member's movement to the locking mechanism based on power supply status. The apparatus also includes a motion detection sensor and a transmission member.

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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 DateRepresentative
KNORR BREMSE GESELLSCHAFT MIT BESCHRANKTER HAFTUNGOct 29, 2024PATENTANWALTE BARGER

Dossier Documents

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EP3369639

NABTESCO
Application Number
EP18157103A
Filing Date
Feb 16, 2018
Status
Granted And Under Opposition
Dec 29, 2023
Publication Date
Jan 31, 2024