Back supported carpet cleaning unit

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Description

FIG. 1 is a perspective view of the back supported carpet cleaning unit embodying the design of the present invention;

FIG. 2 is a reduced front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is the opposite side elevational view thereof;

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

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
2310006 February 1943 Wisner
2504487 April 1950 Anson
4152084 May 1, 1979 Melton et al.
Foreign Patent Documents
1489009 June 1967 FRX
Patent History
Patent number: D344632
Type: Grant
Filed: Jul 15, 1991
Date of Patent: Mar 1, 1994
Inventor: Robert J. Owens (Boston, MA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Lavone D. Tabor
Attorney: Terry M. Gernstein
Application Number: 7/730,306
Classifications
Current U.S. Class: D/4115; With Fluid Collector Or Dispenser, E.g., Reservoir, Etc. (D32/45)