Face mask
USD440302S · kind S · design
128Cited by
18References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 3, 2000 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Apr 10, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.