Ventilation portion of a ventilation apparatus
USD591419S1 · kind S1 · design
59Cited by
87References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2008 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Apr 28, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.