Siren speaker
USD452454S · kind S · design
9Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2000 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | Dec 25, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.