Razor blades and razors
US7882640B2 · kind B2 · utility
1Cited by
48References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2006 |
| Grant date | Feb 8, 2011 |
| Priority date | — |
| Expiry date | Oct 24, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S76/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Razors are described herein. In some instances the razors include a safety razor blade unit comprising a guard, a cap, and at least two blades with parallel sharpened edges located between the guard and cap. A first blade defines a blade edge nearer the guard and a second blade defines a blade edge nearer the cap. The first blade has a cutter force greater than the cutter force of the second blade. In some instances the razors provide a comfortable shave having improved closeness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.