Diaphragm valve
United States Patent D335331
US Patent References:
/D098061.html
Flodin - January, 1936 - D098061

/D098363.html
Nordstrom - January, 1936 - D098363

/D170855.html
Fox - November, 1953 - D170855

/D213104.html
Towsend - January, 1969 - D213104

/D240037.html
Kemp et al. - May, 1976 - D240037


Inventors:
Weingarten, Zvi (DoarNa Oshrat, IL)
Application Number:
D/565538
Publication Date:
05/04/1993
Filing Date:
08/10/1990
View Patent Images:
Assignee:
Bermad, Registered Partnership (Oshrat, IL)
Primary Class:
Field of Search:
D23/233-237, D23/244-249, 251/6, 251/61.1, 251/331
US Patent References:
2881795Diaphragm check-valvesApril, 1959Waldenmaier et al.251/331
2939672Flexible diaphragm flow control valveJune, 1960Rich251/5
3451423FLUID ACTUATED DIAPHRAGM VALVEJune, 1969Priese251/331
4181151Diaphragm valveJanuary, 1980Ensign251/61.1
4624442Control regulator having a rolling diaphragmNovember, 1986Duffy et al.251/331
4827974Top entry expansible tube valveMay, 1989Coulter251/61.1
Primary Examiner:
Largen, James R.
Attorney, Agent or Firm:
Barish, Benjamin J.
Claims:
1. The ornamental design of a diaphragm valve, as shown and described.

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.