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Pipe connection
US 2,500,720 A
Filed
: 03/04/1948
Issued
: 03/14/1950
Est. Priority Date
: 03/12/1947
Status: Expired due to Term
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Current Assignee
Der Heem Jan Van
Original Assignee
Der Heem Jan Van
Inventors
DER HEEM JAN VAN
Application Number
US03/012,921
Time in Patent Office
740 Days
Field of Search
US Class Current
285/7
CPC Class Codes
A47L 9/242
Hose or pipe couplings
E04D 13/08
Down pipes; Special clampin...
E04D 2013/0846
Interconnecting down pipe p...
F16B 7/04
Clamping or clipping connec...
F16L 37/02
in which the connection is ...
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