Title:
Backwash shield assembly
United States Patent 3291165


Inventors:
Fraylick, John R.
Application Number:
US29923463A
Publication Date:
12/13/1966
Filing Date:
08/01/1963
Assignee:
STANDARD OIL CO
Primary Class:
Other Classes:
55/446, 141/311A, 141/311R, 141/387, 141/390, 141/392
International Classes:
B67D7/42
View Patent Images:
US Patent References:
2703670Funnel1955-03-08
2214708Nozzle valve attachment1940-09-10