Water relief valve for a drainage system

Description

FIG. 1 is a perspective view of a water relief valve for a drainage system showing our new design in the open position;

FIG. 2 is a perspective view of our new design in the closed position;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational plan view thereof, the opposite side being a mirror image thereof, showing our new design in the open position;

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image thereof, showing our new design in the closed position;

FIG. 7 is a bottom perspective view of our new design in the closed position;

FIG. 8 is a bottom perspective view of our new design in the open position; and,

FIG. 9 is a vertical medial sectional view of our new design as shown in FIG. 5.

Claims

The ornamental design for a water relief valve for a drainage system, as shown and described.

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Inventors:	Phillips; Trevor J. (Lindsay, CA), Petrie; James E. (Lindsay, CA)
Appl. No.:	D/016,534
Filed:	December 17, 1993

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Current U.S. Class:	D23/261
Field of Search:	;D23/260,261,262 ;137/356,357,533.27,533.29,533.31 ;239/201,208,453,454

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References Cited [Referenced By]

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U.S. Patent Documents

2751250	June 1956	Block
4161186	July 1979	Sitarr
5209257	May 1993	Baker, Jr.

Primary Examiner: Zarfas; Lou
Assistant Examiner: Watterson; E.
Attorney, Agent or Firm: Slehofer; Richard D.