Headphone
USD974325S1 · kind S1 · design
19Cited by
34References
1Claims
0Family size
Inventor
Key dates
| Filing date | Mar 31, 2021 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Jan 3, 2038 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.