Patent · US Expired

Vacuum fan duster

US5235722A · kind A · utility

12Cited by
18References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1992
Grant dateAug 17, 1993
Priority date
Expiry dateApr 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.