Hand held vacuum cleaner
USD315623S · kind S · design
26Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1990 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Mar 19, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.