Breathing tube connection for respiratory protection system
USD590548S1 · kind S1 · design
21Cited by
17References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2008 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Apr 14, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.