Charger base for a hand-held vacuum cleaner or similar appliance
USD337303S · kind S · design
15Cited by
11References
1Claims
0Family size
Inventors
Key dates
| Filing date | Dec 26, 1989 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Jul 13, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.