Dual brush vacuum cleaner

Description

FIG. 1 is a rear elevation view of a dual brush vacuum cleaner showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

Referenced Cited
U.S. Patent Documents
D252150 June 19, 1979 Webb
D252151 June 19, 1979 Webb
D259566 June 16, 1981 Phillips
D274149 June 5, 1984 Gibson
D312337 November 20, 1990 Jones et al.
D320491 October 1, 1991 Lackner et al.
D339433 September 14, 1993 Stein et al.
D346469 April 26, 1994 Furcran et al.
2842788 July 1958 Rench et al.
2961673 November 1960 Rench et al.
3795025 March 1974 Sadamitsu
4134673 January 16, 1979 Fisher
4426751 January 24, 1984 Nordeen
4654927 April 7, 1987 Novinger
4756048 July 12, 1988 Kauffeldt et al.
4850077 July 25, 1989 Venturini
5077863 January 7, 1992 Rench
5203047 April 20, 1993 Lynn
Patent History
Patent number: D358631
Type: Grant
Filed: Dec 13, 1993
Date of Patent: May 23, 1995
Inventor: David K. Conner (Carrollton, TX)
Primary Examiner: Ruth McInroy
Attorneys: S. Pal Asija, Larry L. Uland
Application Number: 0/16,283
Classifications
Current U.S. Class: Upright Type (D32/22)