Handle extension for a vacuum cleaner
USD328166S · kind S · design
7Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1989 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Jul 21, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.