Frame for a full face respirator mask
USD578208S1 · kind S1 · design
11Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2007 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Oct 7, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.