Headphone
USD919603S1 · kind S1 · design
44Cited by
10References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 12, 2019 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | May 18, 2036 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.