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Detergent dispenser and timer valve for dishwashing machines
US 2,573,787 A
Filed
: 02/20/1948
Issued
: 11/06/1951
Est. Priority Date
: 02/20/1948
Status: Expired due to Term
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18 Citations
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Current Assignee
Charles C. Smith
,
De Ganahl Carl
,
Ira P. Romberger Jr
Original Assignee
Charles C. Smith
,
De Ganahl Carl
,
Ira P. Romberger Jr
Inventors
DE GANAHL CARL
,
Smith, Charles C.
,
Romberger, Ira P. Jr.
Application Number
US03/009,796
Time in Patent Office
1,355 Days
Field of Search
US Class Current
134/98.1
CPC Class Codes
A47L 15/4418
in the form of liquids A47L...
Y10S 220/28
Washtubs
Y10T 137/87997
Alternately seating
Y10T 137/88005
Biased valve
Y10T 137/9247
With closure
Y10T 74/114
Retarded
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