Cubic Boron Nitride Sintered Compact, And Cutting Tool

Patent No. EP4000777 (titled "Cubic Boron Nitride Sintered Compact, And Cutting Tool") was filed by Sumitomo Electric Hardmetal on Jul 17, 2020. The application was issued on Sep 3, 2025.

Patent Summary

Patent Family

Patent Family

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

EP4000777

SUMITOMO ELECTRIC HARDMETAL
Application Number
EP20840150A
Filing Date
Jul 17, 2020
Status
Granted And Under Opposition
Aug 1, 2025
Publication Date
Sep 3, 2025