Portable vacuum cleaner having a back rest
USD398426S · kind S · design
27Cited by
9References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jun 13, 1997 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Sep 15, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.