Drinking cup and cell phone amplifying device
USD684428S1 · kind S1 · design
14Cited by
10References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 23, 2012 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Jun 18, 2027 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.