Cyclonic Separation Apparatus

Patent No. EP3639716 (titled "Cyclonic Separation Apparatus") was filed by Black & Decker on Oct 12, 2011. The application was issued on Sep 3, 2025.

Patent Summary

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Patent Family

Patent Oppositions (2)

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
DYSON TECHNOLOGYAug 3, 2022DYSON DEPARTMENT
DYSON TECHNOLOGYAug 3, 2022KENT

Dossier Documents

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EP3639716

BLACK & DECKER
Application Number
EP19214181A
Filing Date
Oct 12, 2011
Status
Patent Maintained As Amended
Aug 1, 2025
Publication Date
Sep 3, 2025