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Knocked down containers
US 2,920,781 A
Filed
: 08/20/1956
Issued
: 01/12/1960
Est. Priority Date
: 08/20/1956
Status: Expired due to Term
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Current Assignee
Leo F. Weber
,
Ralph L. Butcher
Original Assignee
Leo F. Weber
,
Ralph L. Butcher
Inventors
Butcher, Ralph L.
,
Weber, Leo F.
Application Number
US03/604,963
Time in Patent Office
1,240 Days
Field of Search
US Class Current
217/12.00R
CPC Class Codes
B65D 88/528
all side walls detached fro...
B65D 9/12
collapsible, e.g. with all ...
B65D 9/24
separate from container walls
B65D 9/38
Metal bands or strips
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