Filter
USH1157H · kind H · statutory invention registration
28Cited by
0References
1Claims
0Family size
Inventors
Key dates
| Filing date | — |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | — |
Classification
- Technology area (CPC —)General
Abstract
The ornamental design for a filter, as shown and described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.