Electric vacuum cleaner
USD399617S · kind S · design
73Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1997 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Oct 13, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.