Oxygen concentrator battery
USD940648S1 · kind S1 · design
10Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2019 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Jan 11, 2037 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.