Vacuum breaking tee

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Description

FIG. 1 is a top plan view of a vacuum breaking tee showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a cross-sectional view taken on line 5--5 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D187686 April 1960 Cornelius
D240131 June 1976 Dwyer
774914 November 1904 Garvin
1201081 October 1916 Nilson
2691986 October 1954 Kirby
3086543 April 1963 McAuley
3346887 October 1967 Sommer
3533111 October 1970 Bowman et al.
3894302 July 1975 Lasater
3968815 July 13, 1976 Legg ne Jouve et al.
Patent History
Patent number: D254564
Type: Grant
Filed: Apr 16, 1979
Date of Patent: Mar 25, 1980
Inventor: Robert L. Johnson (Seattle, WA)
Primary Examiner: James R. Largen
Attorney: Thomas W. Secrest
Application Number: 6/30,535
Classifications
Current U.S. Class: D23/40
International Classification: D2301;