Cylindrical pleated air filter with top and sidewall filtering areas
USD403414S · kind S · design
45Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1997 |
| Grant date | Dec 29, 1998 |
| Priority date | — |
| Expiry date | Dec 29, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.