Swimming pool backwashing device

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Description

FIG. 1 is a front elevational view of a swimming pool backwashing device showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a close up view of the left side hose connection; and,

FIG. 8 is a close up view of the right side hose connection.

The broken line showing a hose is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D305682 January 23, 1990 Stromberg
5100541 March 31, 1992 Kullenbach
5238585 August 24, 1993 Reed
Patent History
Patent number: D380807
Type: Grant
Filed: Nov 18, 1994
Date of Patent: Jul 8, 1997
Inventor: Mitchel Dorset-Turner (Mount Eliza, Victoria 3930)
Primary Examiner: A. Hugo Word
Assistant Examiner: Robin V. Taylor
Attorneys: Harold H. Dutton, Jr., W. Charles L. Jamison, Diane F. Liebman
Application Number: 0/31,131
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209); Immersion Type (e.g., Aquarium Filter, Etc.) (D23/210)
International Classification: 2301;