Vacuum cleaner configuration
US6115880A · kind A · utility
10Cited by
11References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1998 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Oct 5, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A floor cleaner comprising a base and a filter bag housing, the filter bag housing having a bag cavity which has an undulated inner wall for receiving a filter bag, the undulated wall having a plurality of elongated protrusions and adjacent intermediate elongated air flow recesses. A smooth outer wall is spaced from the inner wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.