Wet-dry vacuum cleaning apparatus
US4485518A · kind A · utility
29Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 1983 |
| Grant date | Dec 4, 1984 |
| Priority date | — |
| Expiry date | Jul 1, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4091
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A wet-dry vacuum cleaning apparatus having a vacuum tube and a head supporting a discharge nozzle at one end of the tube. An assembly is attached to the tube and includes a valve for controlling flow of liquid to the nozzle. The assembly includes a container for detergent adapted to selectively mix with water upstream of the valve. The assembly includes a device for permitting selective introduction of water into said container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.