Protective helmet
USD674153S1 · kind S1 · design
25Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2012 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Jan 8, 2027 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.