Electric toothbrush having spirally arranged bristles
US5173983A · kind A · utility
17Cited by
5References
3Claims
0Family size
Inventor
Key dates
| Filing date | Jun 4, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Jun 4, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush includes a bristle holder rotatably mounted on an end portion of a toothbrush handle and driven by an electric motor mounted inside the handle having a plurality of bristles spirally mounted on the bristle holder operatively driven for a rotation of the bristles for rotatably brushing, piercing and removing foods accumulated on teeth surfaces, or in apertures between the neighboring teeth for effectively cleaning a user's teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.