Headphone assembly
USD656480S1 · kind S1 · design
88Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2011 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Mar 27, 2026 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.