Conical filter
USD396098S · kind S · design
242Cited by
25References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1997 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Jul 14, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.