Vacuum cleaner
US7582128B2 · kind B2 · utility
46Cited by
9References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2007 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Apr 13, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes both a main dust separation unit and a secondary dust separation unit. One of the dust separation units is provided on a main body of the vacuum cleaner, and the other dust separation unit is provided on a removable dust collection unit that is mountable on the main body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.