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Pipe coupling
US 2,108,714 A
Filed
: 09/22/1936
Issued
: 02/15/1938
Est. Priority Date
: 09/28/1935
Status: Expired due to Term
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Current Assignee
Peter Hirsch
,
Rudolf Kaiser
Original Assignee
Peter Hirsch
,
Rudolf Kaiser
Inventors
Hirsch, Peter
,
Kaiser, Rudolf
Application Number
US02/102,023
Time in Patent Office
511 Days
Field of Search
US Class Current
137/614.04
CPC Class Codes
B60T 17/04
Arrangements of piping, val...
F16L 29/04
with a cut-off device in ea...
Y10T 137/87957
Valves actuate each other
Y10T 29/49853
of sphere, i.e., ball, in s...
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