Extraction cleaner
US10368713B2 · kind B2 · utility
2Cited by
24References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 2016 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Jul 10, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4088
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An extraction cleaner for a floor surface includes an extraction nozzle. The extraction nozzle that defines a fluid flow path having an elongated nozzle opening, and includes one or more stiffening elements that stiffens the walls around the nozzle opening to prevent collapsing or deformation of the extraction nozzle during use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.