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REPAIR COUPLING WITH DEFORMABLE METAL SEAL
US 3,550,638 A
Filed
: 07/19/1968
Issued
: 12/29/1970
Est. Priority Date
: 07/19/1968
Status: Expired due to Term
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Current Assignee
Joseph B. Smith
Original Assignee
Joseph B. Smith
Inventors
Smith, Joseph B.
Application Number
US04/746,162
Time in Patent Office
893 Days
Field of Search
US Class Current
138/99
CPC Class Codes
F16L 23/167
in connection with the appe...
F16L 23/20
made exclusively of metal
F16L 55/175
by using materials which fi...
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