High efficiency air conditioner condenser twisted fan blades and hub
USD510998S1 · kind S1 · design
30Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2003 |
| Grant date | Oct 25, 2005 |
| Priority date | — |
| Expiry date | Oct 25, 2019 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.