Eyeglass shaped headphones
USD650356S1 · kind S1 · design
81Cited by
25References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2010 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Dec 13, 2025 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.