Brush head
US5946759A · kind A · utility
96Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Aug 20, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/425
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to resiliently flexible brush heads, more particularly to toothbrush heads, having segmented faces with grooves between the segments, wherein the grooves on at least one face contain elastomer, so that the head durability is improved through repeated flexing. The invention further relates to toothbrushes comprising the brush heads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.