Headphone
USD870709S1 · kind S1 · design
13Cited by
27References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2017 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Dec 24, 2034 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.