Toothbrush
US7979947B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2010 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Jul 27, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B9/026
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush having a head with a first end and a second end with peripheral edge regions extending between the first end and the second end is described. The head includes a first surface and a second surface opposite the first surface. The first surface includes raised portions and depressed portions, wherein the depressed portions are adjacent the peripheral edge regions. A first plurality of cleaning elements protrude from the first surface, and a second plurality of cleaning elements protrude from the first surface. Each of the first plurality of cleaning elements protrudes from a depressed portion and has a cross section. Each of the depressed portions has the same cross section as each of the first plurality of cleaning elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.