Ear cushion for an audio device
USD640670S1 · kind S1 · design
64Cited by
30References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2009 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Jun 28, 2025 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.