Toothbrush with an electric circuit
US7857620B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Apr 30, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Nov 5, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C19/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A toothbrush having a circuit for improving oral cavity health, displaying innovative light performance, allowing easy operation and reduced production cost. The toothbrush includes an electronic circuit disposed within a handle of the toothbrush, a power source, a light source, and a device to release ions. Ions are automatically generated within an oral cavity when a user holds the handle and wets the toothbrush with water, thus helping to maintain oral hygiene and providing a dazzling light performance emitted from the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.