Face mask
USD726970S1 · kind S1 · design
40Cited by
70References
1Claims
0Family size
Inventor
Key dates
| Filing date | Sep 5, 2013 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Apr 14, 2029 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.