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US 2,623,399 A
Filed
: 10/21/1948
Issued
: 12/30/1952
Est. Priority Date
: 10/21/1948
Status: Expired due to Term
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Current Assignee
Lee Barrett Arthur
Original Assignee
Lee Barrett Arthur
Inventors
LEE BARRETT ARTHUR
Application Number
US03/055,813
Time in Patent Office
1,531 Days
Field of Search
US Class Current
474/223
CPC Class Codes
E21C 25/36
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