Transparent face mask
USD983460S1 · kind S1 · design
2Cited by
28References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2019 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Apr 11, 2038 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.