Spray suction and agitator control and deep cleaning machine
US5542147A · kind A · utility
36Cited by
18References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1995 |
| Grant date | Aug 6, 1996 |
| Priority date | — |
| Expiry date | May 2, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4044
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A deep cleaning/vacuum machine wherein the housing is provided with three separate switches for an agitator (brush), a suction motor, and a cleaning liquid pump. The switches may be conventional switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.