Undercushion insert for a respiratory mask
USD591857S1 · kind S1 · design
15Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2008 |
| Grant date | May 5, 2009 |
| Priority date | — |
| Expiry date | May 5, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.