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Pipe-line exploration
US 2,940,302 A
Filed
: 04/19/1956
Issued
: 06/14/1960
Est. Priority Date
: 04/19/1956
Status: Expired due to Term
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Current Assignee
Serge A. Scherbatskoy
Original Assignee
Serge A. Scherbatskoy
Inventors
Scherbatskoy, Serge A.
Application Number
US03/579,341
Time in Patent Office
1,517 Days
Field of Search
US Class Current
73/40.50A
CPC Class Codes
F16L 2101/30
Inspecting, measuring or te...
G01M 3/005
using pigs or moles G01M3/2...
G01M 3/18
for pipes, cables or tubes;...
G01M 3/22
for pipes, cables or tubes;...
G01M 3/243
for pipes
G01M 3/2823
using pigs or moles traveli...
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