Dental hygiene appliance
US5306143A · kind A · utility
103Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 1992 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Oct 15, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0606
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A dental hygiene appliance for brushing teeth composed of a handle; a brushing head connected to the handle and a set of tooth brushing bristles projecting in a given direction from the head; a source of monochromatic radiation having a given wavelength; and elements for directing the radiation from the head in a direction having at least a component in the given direction; wherein the elements for directing radiation are structurally separate from the bristles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.