Audio listening system
USD741299S1 · kind S1 · design
91Cited by
139References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2014 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Oct 20, 2029 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.