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US 2,610,502 A
Filed
: 10/20/1945
Issued
: 09/16/1952
Est. Priority Date
: 10/20/1945
Status: Expired due to Term
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Current Assignee
Axel S. Carlson
Original Assignee
Axel S. Carlson
Inventors
Carlson, Axel S.
Application Number
US02/623,539
Time in Patent Office
2,523 Days
Field of Search
US Class Current
52/103
CPC Class Codes
E01F 9/646
extensible, collapsible or ...
E04H 13/003
Funeral monuments, grave si...
G01C 15/06
Surveyors' staffs; Movable ...
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