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US 2,943,405 A
Filed
: 01/18/1960
Issued
: 07/05/1960
Est. Priority Date
: 01/18/1960
Status: Expired due to Term
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35 Citations
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Current Assignee
Frederick F. Olson
,
James J. Cairns
Original Assignee
Frederick F. Olson
,
James J. Cairns
Inventors
Olson, Frederick F.
,
Cairns, James J.
Application Number
US04/003,009
Time in Patent Office
169 Days
Field of Search
US Class Current
36/173
CPC Class Codes
A43B 7/142
situated under the medial a...
A43B 7/22
with fixed flat-foot insert...
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