Hearing protector
USD547500S1 · kind S1 · design
32Cited by
17References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2005 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jul 24, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.