Headphone
USD900057S1 · kind S1 · design
25Cited by
59References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2019 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Oct 27, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.