Spray wand for disinfecting and deodorizing waste holding tanks in recreational vehicles

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Description

FIG. 1 is a top, front, left end perspective view of a spray wand for disinfecting and deodorizing waste holding tanks in recreational vehicles showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof, shown partially for ease of illustration;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D306961 April 3, 1990 Emms
D310405 September 4, 1990 Proctor et al.
1728455 September 1929 Taylor et al.
2134347 October 1938 Thompson
2520397 August 1950 Green
2979272 April 1961 Thorez
Foreign Patent Documents
400461 October 1933 GBX
Patent History
Patent number: D317967
Type: Grant
Filed: Apr 3, 1989
Date of Patent: Jul 2, 1991
Inventor: Ralph W. Pelletier (Hardwood, MI)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorney: Warren F. B. Lindsley
Application Number: 7/331,895
Classifications
Current U.S. Class: Hand Held Or Controlled Type (D23/223)