Mouthpiece for a spirometer
USD556908S1 · kind S1 · design
22Cited by
35References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2007 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | Dec 4, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.