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Drip-preventing valve
US 3,026,902 A
Filed
: 12/19/1957
Issued
: 03/27/1962
Est. Priority Date
: 12/19/1957
Status: Expired due to Term
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Current Assignee
Edmund W. Ruhl Jr
Original Assignee
Edmund W. Ruhl Jr
Inventors
Ruhl, Edmund W. Jr.
Application Number
US03/703,910
Time in Patent Office
1,559 Days
Field of Search
US Class Current
137/484.2
CPC Class Codes
B67D 7/52
and provided with additiona...
F16K 23/00
Valves for preventing drip ...
Y10T 137/7753
Unbalanced pivoted valve [e...
Y10T 137/7754
Line flow effect assisted
Y10T 137/7898
Pivoted valves
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