Hearing protector
USD509323S1 · kind S1 · design
48Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2004 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Sep 6, 2019 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.