High efficiency air conditioner condenser twisted fan blades and hub
USD555782S1 · kind S1 · design
24Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Nov 20, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.