Headphone
USD594847S1 · kind S1 · design
198Cited by
21References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2008 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Jun 23, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.