Down-The-Hole Hammer Drill Bit Assembly

Patent No. EP3899189 (titled "Down-The-Hole Hammer Drill Bit Assembly") was filed by Sandvik Mining And Construction on Nov 27, 2019. The application was issued on Sep 13, 2023.

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 DateRepresentative
MINCONJun 12, 2024TOMKINS

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

  • Get instant alerts for new documents

EP3899189

SANDVIK MINING AND CONSTRUCTION
Application Number
EP19808819A
Filing Date
Nov 27, 2019
Status
Granted And Under Opposition
Aug 11, 2023
Publication Date
Sep 13, 2023