Loudspeaker
USD271967S · kind S · design
47Cited by
3References
1Claims
0Family size
Inventors
Key dates
| Filing date | May 27, 1981 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Dec 27, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.