Plumbing fitting incorporating venting means

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Description

FIG. 1 is an isometric view of the plumbing fitting incorporating venting means;

FIG. 2 is a front view thereof;

FIG. 3 is a top view, the bottom view being a mirror image thereof;

FIG. 4 is a side view, the opposite side view being a mirror image thereof;

FIG. 5 is a back view;

FIG. 6 is an isometric view of a modified plumbing fitting incorporating venting means having a vent fitting provided to one side;

FIG. 7 is a front view thereof;

FIG. 8 is a top view, the bottom view being a mirror image thereof;

FIG. 9 is a left side view;

FIG. 10 is a right side view;

FIG. 11 is a back view; and,

FIG. 12 is a top view of a modified plumbing fitting incorporating venting means having a vent fitting connecting to the backside of the plumbing fitting.

Referenced Cited
U.S. Patent Documents
3425632 February 1969 Stout
3630547 February 1970 Hartshorn, Jr.
4467136 August 21, 1984 Wium
Patent History
Patent number: D353654
Type: Grant
Filed: Jun 16, 1993
Date of Patent: Dec 20, 1994
Inventor: William M. Cox (St. Peters, MO)
Primary Examiner: A. Hugo Word
Assistant Examiner: Eric Watterson
Attorney: Paul M. Denk
Application Number: 0/9,523
Classifications
Current U.S. Class: Elbow Or With Flow Direction Change (D23/263)