Loudspeaker
USD274058S · kind S · design
5Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Dec 22, 1981 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | May 29, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.