Dust filter bag
US8097054B2 · kind B2 · utility
5Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2007 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Jul 2, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1051
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dust filter bag is in the shape of a flat bag for a vacuum cleaner, which is formed from a first layer and a second layer made of a weldable material. The layers are welded together circumferentially along the circumference thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.