Door for air filter apparatus
USD540930S1 · kind S1 · design
4Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2005 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Apr 17, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.