Toothbrush
US8099819B2 · kind B2 · utility
12Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 2004 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Sep 17, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2301/03
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush head in which the fixed ends of the bristles are embedded in a mass of a polyurethane gel material incorporated in the head. Typical nylon materials as used for toothbrush bristles are found to bind with polyurethane gels so that advantageously holders for the bristles need not be used. A moulding process is also provided for making the toothbrush head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.