High efficiency air conditioner condenser twisted fan blades and hub
USD566829S1 · kind S1 · design
31Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2007 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Apr 15, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.