Vacuum cleaner suction tool
US3936903A · kind A · utility
18Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 1974 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Jun 3, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner suction tool including a nozzle provided with improved structure for selectively applying high suction to an edge portion of the nozzle such as for improved cleaning of corner and edge areas. The suction control includes a valve adjacent the suction outlet of the nozzle and an operator for selectively positioning the valve to provide selective control of the suction action in the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.