Face mask cushion
USD875924S1 · kind S1 · design
18Cited by
67References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2019 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Feb 18, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.