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Weight of liquid responsive valve
US 3,058,485 A
Filed
: 07/24/1959
Issued
: 10/16/1962
Est. Priority Date
: 07/24/1959
Status: Expired due to Term
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Current Assignee
Malcolm M. McQueen
Original Assignee
Malcolm M. McQueen
Inventors
Mcqueen, Malcolm M.
Application Number
US03/829,286
Time in Patent Office
1,180 Days
Field of Search
US Class Current
137/403
CPC Class Codes
B64D 37/005
Accessories not provided fo...
F16K 31/34
acting on pilot valve contr...
Y10T 137/7339
By weight of accumulated fluid
Y10T 137/7374
Flexible diaphragm valve
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