Colored razor blades
US7673541B2 · kind B2 · utility
8Cited by
52References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2004 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Jun 18, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C30/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Colored razor blades are provided. Methods for manufacturing such blades are also provided, including methods involving depositing an oxide coating prior to heat treatment of the blade material and heat treating under conditions selected to enhance the color of the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.