Light diffuser for oral cleansing devices
US11013315B2 · kind B2 · utility
1Cited by
822References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2020 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Mar 10, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to an oral cleansing device with illumination features. In one example, a diffuser for diffusing light is disclosed. The diffuser includes a first membrane configured to be positioned over a first light source, a second membrane coupled to the first membrane and configured to be positioned over a second light source; and a bridge coupling the first membrane to the second membrane, where the bridge extends from an edge of the first membrane to an edge of the second membrane in an indirect manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.