Safety razors
US5426851A · kind A · utility
69Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1993 |
| Grant date | Jun 27, 1995 |
| Priority date | — |
| Expiry date | Nov 15, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B21/4012
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tandem blade razor with two continually sharpened blades and a third skin engaging member of planar form having a skin engaging edge with a tip radius of at least 0.5 microns. The rounded edge is positioned between the sharpened blade edges or behind them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.