Cemented Carbide-Metallic Alloy Composites

Patent No. EP2653580 (titled "Cemented Carbide-Metallic Alloy Composites") was filed by Kennametal on Jun 2, 2009. The application was issued on Aug 20, 2014.

Patent Summary

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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
SANDVIKMay 19, 2015-
CERATIZIT LUXEMBOURGMay 12, 2015CIESLA

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.

  • Date

    Description

EP2653580

KENNAMETAL
Application Number
EP13172168A
Filing Date
Jun 2, 2009
Status
Revoked
Apr 30, 2020
Publication Date
Aug 20, 2014