Portable hand held vacuum cleaner
USD320099S · kind S · design
38Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1988 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Sep 17, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.