Unidirectional valve
USD676527S1 · kind S1 · design
38Cited by
58References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2009 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Feb 19, 2027 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.