Tooth shade guide
US6354835B1 · kind B1 · utility
2Cited by
7References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 3, 2000 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Nov 3, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/4233
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tooth shade guide device and package combination comprises a device frangibly attached to the package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.