Vacuum cleaner and method of operation
US6375720B1 · kind B1 · utility
10Cited by
20References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2001 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Aug 30, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An apparatus and method for separating particulates from a flow of air and particulates in a vacuum cleaner. In one embodiment, the apparatus includes a removable vacuum cleaner filter having a flange portion with a flange aperture. A flexible, porous filter element portion is attached to the flange portion and is elongated along a filter axis. The filter element portion has a generally constant cross-sectional area when intersected by a plane generally perpendicular to the filter axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.