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PIPE COUPLING CONTAINING A VALVE
US 3,477,689 A
Filed
: 11/02/1966
Issued
: 11/11/1969
Est. Priority Date
: 09/27/1966
Status: Expired due to Term
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Current Assignee
Berghoefer Hans
Original Assignee
Berghoefer Hans
Inventors
BERGHOEFER HANS
Application Number
US04/591,531
Time in Patent Office
1,105 Days
Field of Search
US Class Current
251/149.9
CPC Class Codes
F16L 2201/20
Safety or protective couplings
F16L 37/006
plug-cocks
F16L 37/23
by means of balls
F16L 37/24
in which the connection is ...
Y10T 137/87973
Coupling interlocked with v...
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