Face mask
USD843692S1 · kind S1 · design
15Cited by
45References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2016 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Mar 26, 2034 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.