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DOUBLE WALL CUP
US 3,456,860 A
Filed
: 01/09/1968
Issued
: 07/22/1969
Est. Priority Date
: 01/09/1968
Status: Expired due to Term
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Current Assignee
Dart Container Corporation
(Robert Charles Dart)
Original Assignee
William L. Janninck
Inventors
Janninck, William L.
Application Number
US04/696,522
Time in Patent Office
560 Days
Field of Search
US Class Current
229/400
CPC Class Codes
A47J 41/0077
made of two vessels inserte...
B65D 81/3869
formed with double walls, i...
Y10S 220/918
Spacing element for separat...
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