Vacuum cleaner filter
USD472683S1 · kind S1 · design
29Cited by
10References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2001 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Apr 1, 2017 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.