Products and methods that simulate changes in tooth color
US6461158B1 · kind B1 · utility
38Cited by
28References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2000 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Aug 14, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D42/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A reflective device is provided. The reflective device includes a reflective layer and a first region which reflects light to form an image that simulates a change in tooth color of at least a portion of a viewer's tooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.