Respirator
USD473937S1 · kind S1 · design
14Cited by
91References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Apr 29, 2017 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.