Over-ear headphones
USD673929S1 · kind S1 · design
38Cited by
19References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2011 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Jan 8, 2027 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.