Brush tip for a motorized toothbrush
US6349442B1 · kind B1 · utility
56Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1999 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Jun 23, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C17/3436
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A brush tip for a motorized toothbrush has a first brush head and a second brush head. The second brush head encircles the first brush head. Means are provided for differently accelerating the first and second brush heads in response to motion produced by the toothbrush motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.