Extraction cleaner
US9717389B2 · kind B2 · utility
8Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2013 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Aug 14, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4083
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An extraction cleaner for a floor surface comprises a fluid delivery system for storing cleaning fluid and delivering the cleaning fluid to the surface to be cleaned and a fluid recovery system for removing the spent cleaning fluid and dirt from the surface to be cleaned and storing the spent cleaning fluid and dirt. The fluid delivery system can further include a bladder housed within a tank of the recovery system, and the bladder can be closed by a fill cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.