Face mask
USD811582S1 · kind S1 · design
11Cited by
17References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2016 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Feb 27, 2033 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.