Headphone
USD679267S1 · kind S1 · design
74Cited by
22References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2011 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Apr 2, 2027 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.