Speaker transducer
USD687020S1 · kind S1 · design
19Cited by
13References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 1, 2012 |
| Grant date | Jul 30, 2013 |
| Priority date | — |
| Expiry date | Jul 30, 2027 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.