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US 2,642,584 A
Filed
: 02/15/1951
Issued
: 06/23/1953
Est. Priority Date
: 02/15/1951
Status: Expired due to Term
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0
Petitions
11
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Current Assignee
Harry E. Coshun
,
Petersen, John S.
Original Assignee
Harry E. Coshun
,
Petersen, John S.
Inventors
Petersen, John S.
,
Coshun, Harry E.
Application Number
US03/211,108
Time in Patent Office
859 Days
Field of Search
US Class Current
5/19
CPC Class Codes
A47C 17/138
by lifting or tilting
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