Brushhead for use in an acoustic toothbrush
US6202241A · kind A · utility
71Cited by
25References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1998 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Sep 10, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S15/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A brushhead for an acoustic powered toothbrush having a particular bristle configuration which includes a plurality of bristle portions arranged in four columns and eight rows, wherein the distal end two adjacent rows and the proximal end two adjacent rows both have longer bristles than the remaining bristle portions except for an intermediate row of bristle portions which are slightly longer than the longer bristle portions. The distal, intermediate and proximal bristle portions all have pointed bristle portion tips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.