Headphones
USD881838S1 · kind S1 · design
23Cited by
155References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2018 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Apr 21, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.