Electric vacuum cleaner
USD297675S · kind S · design
24Cited by
6References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 16, 1985 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Sep 13, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.