Vacuum cleaner
US10827888B2 · kind B2 · utility
8Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2018 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Feb 25, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/16
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner is provided with an improved air bleed valve for adjusting the level of suction and air flow through a working air path fluidly connecting a working air inlet with a separating and collection assembly. The air bleed valve can be provided on upright handle assembly of the vacuum cleaner, and can form a portion of the working air path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.