Upright vacuum cleaning appliance
US4571772A · kind A · utility
126Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1984 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Sep 28, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L5/32
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaning appliance having dual spaced apart air conveying pipes (13, 14) supporting a cap (15) for a dirt container is described. The pipes are supported on a casing (11) mounting a movable cleaning head (10). The appliance is also convertible to a tank type cleaner using a handle (30) for the appliance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.