Vacuum fan duster
US5235722A · kind A · utility
12Cited by
18References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1992 |
| Grant date | Aug 17, 1993 |
| Priority date | — |
| Expiry date | Apr 7, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0693
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum assisted apparatus for cleaning the surfaces of a ceiling fan blade having a unitary housing defining a brush-lined aperture and having a dust receptacle for catching dust displaced by the brushes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.