Invention Grant
- Patent Title: Strengthened razor blade
-
Application No.: US12471551Application Date: 2009-05-26
-
Publication No.: US09598761B2Publication Date: 2017-03-21
- Inventor: Krassimir Grigorov Marchev , John Madeira
- Applicant: Krassimir Grigorov Marchev , John Madeira
- Applicant Address: US MA Boston
- Assignee: The Gillette Company
- Current Assignee: The Gillette Company
- Current Assignee Address: US MA Boston
- Agent Joanne N. Pappas; Kevin C. Johnson; Steven W. Miller
- Main IPC: B26B21/56
- IPC: B26B21/56 ; B26B21/58 ; B21K11/00 ; C23C8/38 ; B26B21/60
Abstract:
A razor blade including a substrate with a cutting edge, the substrate includes a mixed nitride-substrate interregion disposed at or beneath a surface of the substrate, the mixed nitride-substrate interregion being substantially free of a compound layer.
Public/Granted literature
- US20100299931A1 STRENGTHENED RAZOR BLADE Public/Granted day:2010-12-02
Information query
IPC分类:
