Nasal mask
USD583931S1 · kind S1 · design
1Cited by
198References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2004 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Dec 30, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.