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BALL VALVE WITH DRAIN PASSAGE
US 3,464,449 A
Filed
: 04/17/1968
Issued
: 09/02/1969
Est. Priority Date
: 07/04/1967
Status: Expired due to Term
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Current Assignee
Morton John
Original Assignee
Morton John
Inventors
MORTON JOHN
Application Number
US04/722,111
Time in Patent Office
503 Days
Field of Search
US Class Current
137/625.24
CPC Class Codes
F16K 24/02
the enclosure being itself ...
F16K 5/0605
with particular plug arrang...
F16K 5/20
for plugs with spherical su...
Y10T 137/86662
Axial and radial flow
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