Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP)
USD498529S1 · kind S1 · design
24Cited by
190References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2003 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.