Venting headphones
USD877717S1 · kind S1 · design
2Cited by
46References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2018 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Mar 10, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.