Bristle arrangement for a toothbrush
US5896614A · kind A · utility
197Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 1997 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Aug 15, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A toothbrush, wherein the head has a face from which project one or more strips of a flexible and resilient material, preferably combined with bristles and arranged in rows or groups of rows of the strips alternating with the rows or groups of rows of the bristles. The strips enhance the tooth cleaning effect of the toothbrush.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.