Facial skin observation device
USD557403S1 · kind S1 · design
15Cited by
9References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2004 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Dec 11, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.