Toothbrush
US7854036B2 · kind B2 · utility
38Cited by
12References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 2004 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Apr 1, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A toothbrush head having an undulating surface with at least one more displaced part and at least one less displaced part and with bristles having a triangular cross section extending from a more displaced part of the bristle face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.