Vacuum breaker valve

- Vacu-Purg, Inc.
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Description

FIG. 1 is a perspective view taken from the top, front and left side of a vacuum breaker valve showing my new design;

FIG. 2 is a perspective view taken from the top, rear and left side thereof;

FIG. 3 is a side elevational view thereof, the other sides being the same as the side shown;

FIG. 4 is a rear end elevational view thereof; and

FIG. 5 is a front end elevational view thereof.

Referenced Cited
U.S. Patent Documents
RE30849 January 19, 1982 Crist
D202701 November 1965 Davis
D223094 March 1972 Coleman et al.
D278740 May 7, 1985 Bolgert
1164098 December 1915 Kinsey
1407136 February 1922 Ehrhart
1589453 June 1926 Bach
2259984 October 1941 Anderson
2696193 December 1954 Domingo
2706488 April 1955 Harrington
2722943 November 1955 Reinecke
2746477 May 1956 Krause et al.
2869571 January 1959 Price et al.
3023767 March 1962 Woodford
3145724 August 1964 Pelzer
3483884 December 1969 Sullivan
4273153 June 16, 1981 Brown
4627599 December 9, 1986 Ehmig
4712575 December 15, 1987 Lair et al.
4726390 February 23, 1988 Franklin
Patent History
Patent number: D319866
Type: Grant
Filed: Jun 20, 1988
Date of Patent: Sep 10, 1991
Assignee: Vacu-Purg, Inc. (Fredericksburg, IA)
Inventor: Ronald J. Rogers (Fredericksburg, IA)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Zarley, McKee, Thomte, Voorhees, & Sease
Application Number: 7/210,106
Classifications
Current U.S. Class: Pressure Regulating Or Relieving (D23/235)