Electric vacuum cleaner
USD297475S · kind S · design
21Cited by
6References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 16, 1985 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Aug 30, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.