Flat bag for vacuum cleaners
US8702827B2 · kind B2 · utility
3Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2010 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Jul 17, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/14
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A flat bag for vacuum cleaners includes, in the interior thereof, at least two diffusers made of strips of material and/or sheet materials with oblong-shaped flow openings. Such flat bags are distinguished by excellent dust storage capacity and extension of the useful life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.