Conical filter
USD399944S · kind S · design
158Cited by
18References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1996 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Oct 20, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.