Toothbrush
US5926898A · kind A · utility
14Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1998 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Jan 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S15/05
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush wherein the stiffness of the bristles varies along the length or across the width of the head of the toothbrush.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.