Electric vacuum cleaner
USD422763S · kind S · design
30Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1997 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Apr 11, 2014 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.