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PIPE HOLDING MECHANISM
US 3,503,244 A
Filed
: 05/29/1967
Issued
: 03/31/1970
Est. Priority Date
: 05/29/1967
Status: Expired due to Term
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39 Citations
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Current Assignee
Joslin Alvin Earl
Original Assignee
Joslin Alvin Earl
Inventors
JOSLIN ALVIN EARL
Application Number
US04/642,126
Time in Patent Office
1,037 Days
Field of Search
US Class Current
72/317
CPC Class Codes
B21D 41/02
Enlarging
F16L 13/166
Deformed by radially expand...
Y10T 24/4453
with position locking-means...
Y10T 279/17564
Loose jaws
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