Diaphragm valve

Description

FIG. 1 is a perspective view taken from the top, front and right end of a diaphragm valve showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right end elevational view thereof; and,

FIG. 7 is a left end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D98061 January 1936 Flodin
D98363 January 1936 Nordstrom
D170855 November 1953 Fox
D213104 January 1969 Towsend
D240037 May 1976 Kemp et al.
2881795 April 1959 Waldenmaier et al.
2939672 June 1960 Rich
3451423 June 1969 Priese
4181151 January 1, 1980 Ensign
4624442 November 25, 1986 Duffy et al.
4827974 May 9, 1989 Coulter
Patent History
Patent number: D335331
Type: Grant
Filed: Aug 10, 1990
Date of Patent: May 4, 1993
Assignee: Bermad, Registered Partnership (Oshrat)
Inventor: Zvi Weingarten (DoarNa Oshrat)
Primary Examiner: James R. Largen
Attorney: Benjamin J. Barish
Application Number: 7/565,538
Classifications
Current U.S. Class: Symmetrical On One Axis (D23/248)