Self adjusting three-head toothbrush
US5305491A · kind A · utility
37Cited by
24References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1993 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Mar 15, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S15/05
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush having three brush heads that self-adjust to maintain contact with the surfaces of the teeth and the gums. The three brush heads are independently attached to a single handle through elongated flexible arms and adjust independently to maintain contact with the surfaces of different size teeth and gums. The two brush heads whose bristles contact the sides of the teeth are slanted at a predetermined angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.