Megaphone for sporting events
USD390798S · kind S · design
5Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 1, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Feb 17, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.