Electric toothbrush replacement head
US11607299B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 8, 2022 |
| Grant date | Mar 21, 2023 |
| Priority date | — |
| Expiry date | Sep 8, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An electric toothbrush replacement head is provided and includes a replacement head handle; an opening disposed on an end of the replacement head handle; a transmission connecting part disposed in the opening; at least one through-groove disposed on an edge of the transmission connecting part; a transmission directional elongated groove disposed in the transmission connecting part; reinforced ribs disposed between the transmission connecting part and a portion where the replacement head handle is provided with the opening. The electric toothbrush replacement head with a reasonable structure is easy to replace and stable for using. Furthermore, the electric toothbrush replacement head is convenient, safe and reliable, which can also eliminate motor noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.