Vacuum cleaner that charges a duster with static electricity
US6446293B2 · kind B2 · utility
10Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Dec 1, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L13/502
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A device for a vacuum cleaner that has a vacuum source (12) connected to an inlet channel, and an outlet channel for air flowing through the vacuum cleaner. The vacuum cleaner includes a device for electrostatically charging a feather-duster (20) or a micro fiber type with static electricity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.