Back supported portable vacuum cleaner

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a back supported portable vacuum cleaner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D312517 November 27, 1990 Hohrien, II et al.
D315234 March 5, 1991 Frisell
1047164 December 1912 Butenschoen
2392205 January 1946 Wales
3331090 July 1967 Reiber et al.
4290165 September 22, 1981 Hiramatsu
4541142 September 17, 1985 Pudwill
4570286 February 18, 1986 Ross
4748712 June 7, 1988 DiGiovanni
Patent History
Patent number: D326747
Type: Grant
Filed: Nov 5, 1990
Date of Patent: Jun 2, 1992
Inventor: Marguerite R. Stickle (Clinton, CT)
Primary Examiner: A. Hugo Word
Assistant Examiner: Ruth McInroy
Attorney: Terry M. Gernstein
Application Number: 7/608,899
Classifications
Current U.S. Class: Vacuum (D32/21)