Surface cleaning apparatus
US9474424B2 · kind B2 · utility
26Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2013 |
| Grant date | Oct 25, 2016 |
| Priority date | — |
| Expiry date | Feb 20, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4088
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning apparatus for a floor surface comprises a fluid delivery system having a supply tank for storing cleaning fluid and a fluid distributor for delivering the cleaning fluid to a surface to be cleaned. An air pathway is provided in the cleaning apparatus for removing heated air from the motor. In operation, heat from the heated air is transferred to the cleaning fluid in the supply tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.