Toothbrush
US9060593B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2008 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | May 26, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/425
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a toothbrush having a head area comprising cleaning elements, a grip area, and a neck area, which connects the head and the grip areas to each other, wherein the toothbrush is configured having a first component made of plastic, and at least one further second component made of plastic, wherein the first component has a relief structure that is covered by the second component. The relief structure comprises high regions having the shortest distance to the outer surface of the second component, and low regions having the greatest distance to the outer surface of the second component, and the relief structure has intermediate regions adjacent to the high and low regions, the distance to the outer surface of the second component of the intermediate regions being between that of the high and low regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.