Toothbrush
US7696728B2 · kind B2 · utility
20Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2004 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | Nov 20, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/345
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A combination of an electrically powered toothbrush incorporating an electric power supply which comprises a capacitor, and a charging unit which incorporates one or more replaceable or rechargeable battery cells, enabling recharging of the capacitor without connection to the main electricity supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.