Cleaning method and apparatus
US4069541A · kind A · utility
41Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1976 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | Apr 23, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4088
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A liquid application and vacuum pick up cleaning apparatus wherein more thorough cleaning is facilitated by subjection of liquid on a surface being cleaned to agitation at ultrasonic frequencies for causing cavitation of the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.