Safety razors
US7596866B2 · kind B2 · utility
47Cited by
24References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2008 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Jun 4, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B21/4081
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention relates to safety razors having a blade unit carried on a handle that includes a vibration mechanism and a control device for controlling operation of the vibration mechanism, the control device being connected to an electrode arrangement that can comprise a blade and an electrically conductive casing of the handle, to detect water so that the vibration mechanism is activated in response to the blade unit being immersed into a body of water for rinsing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.