Systems, devices, and methods of a self-activation use odometer for a skin care brush
US10736413B2 · kind B2 · utility
2Cited by
31References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Jul 20, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/102
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A workpiece, such as a brush head, having a replacement indicator is provided, which is suitable for use with a personal care appliance. In use, the replacement indicator can provide an indication to the user recommending that the brush head be replaced after a duration has elapsed. The brush head includes a window to view the progress of the duration for recommended replacement and an indication when the duration has elapsed. In some embodiments, the duration is commenced when the brush head is initially installed on the personal care appliance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.