Surface cleaning apparatus
US9635991B2 · kind B2 · utility
4Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2013 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Dec 14, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L13/225
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A surface cleaning apparatus comprises a supply tank and a distributor for delivering fluid to a surface to be cleaned. A constant flow of fluid can be delivered from the supply tank to the distributor via a regulator tank in fluid communication with the supply tank for exchanging liquid and air with the supply tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.