Vacuum breaker

Description

FIG. 1 is a perspective view of a vacuum breaker showing my new design;

FIG. 2 is a side elevational view thereof the other sides being the same as the side shown; and

FIG. 3 is a top plan view thereof.

The broken line representation of plumbing connections in FIG. 1 is for purposes of illustration only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D277599 February 12, 1985 Arnold et al.
D278740 May 7, 1985 Bolgert
3155106 November 1967 Baron
3180352 April 1965 Kersten et al.
3183923 May 1965 Henrikson
3311929 April 1967 O'Brien
3414003 December 1968 Wyekoff
3425438 February 1969 Suffron
3512545 May 1970 Weaver
3929149 December 1975 Phillips
4237919 December 9, 1980 Crawford et al.
4399832 August 23, 1983 Appleby
4811753 March 14, 1989 Bethune
Patent History
Patent number: D309173
Type: Grant
Filed: Dec 29, 1986
Date of Patent: Jul 10, 1990
Assignee: Masco Corporation of Indiana (Taylor, MI)
Inventor: Roger E. Stipe (Greensburg, IN)
Primary Examiner: James R. Largen
Attorneys: Steven L. Permut, Malcolm L. Sutherland
Application Number: 6/947,533
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)