Portion of a headphone
USD812587S1 · kind S1 · design
6Cited by
127References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2016 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Mar 13, 2033 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.