Safety helmet with fan
USD600412S1 · kind S1 · design
19Cited by
15References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 15, 2008 |
| Grant date | Sep 15, 2009 |
| Priority date | — |
| Expiry date | Sep 15, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.