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Hollow contractile and expansible pin with semiclosed ends
US 2,874,388 A
Filed
: 02/15/1957
Issued
: 02/24/1959
Est. Priority Date
: 02/15/1957
Status: Expired due to Term
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10
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10 Citations
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Current Assignee
James G. Edelen Sr
Original Assignee
James G. Edelen Sr
Inventors
Edelen, James G. Sr.
Application Number
US03/640,497
Time in Patent Office
739 Days
Field of Search
US Class Current
5/303
CPC Class Codes
F16B 12/60
Fittings for detachable sid...
F16B 2200/10
Details of socket shapes
Y10T 403/557
Expansible section
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