Hydraulic brush for teeth and gums
US4660244A · kind A · utility
2Cited by
5References
19Claims
0Family size
Inventor
Key dates
| Filing date | Jul 3, 1985 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Jul 3, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C17/30
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A hydraulic brush for teeth and gum cleaning and massaging, having a rotating cylindrical, spiral, disc or cupped-shape brush with radially projected ultrathin bristles and simultaneous liquid jets supply to the teeth and gums.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.