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Readily assembled check valve
US 2,943,639 A
Filed
: 08/09/1956
Issued
: 07/05/1960
Est. Priority Date
: 08/09/1956
Status: Expired due to Term
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Current Assignee
George L. Smith
Original Assignee
George L. Smith
Inventors
Smith, George L.
Application Number
US03/603,099
Time in Patent Office
1,426 Days
Field of Search
US Class Current
137/515.7
CPC Class Codes
F16K 15/063
the valve being loaded by a...
Y10T 137/7857
Valve seat clamped between ...
Y10T 137/7917
Oppositely disposed
Y10T 137/7919
Guide and seat integral unit
Y10T 137/7933
Yoke or cage-type support f...
Y10T 137/7939
Head between spring and guide
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