Exhaust filter for a vacuum pump
USD583389S1 · kind S1 · design
40Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 2007 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Dec 23, 2022 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.