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Folding type chemical freezing package
US 2,882,692 A
Filed
: 11/23/1956
Issued
: 04/21/1959
Est. Priority Date
: 11/23/1956
Status: Expired due to Term
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Current Assignee
Albert A. Robbins
Original Assignee
Albert A. Robbins
Inventors
Robbins, Albert A.
Application Number
US03/624,097
Time in Patent Office
879 Days
Field of Search
US Class Current
62/4
CPC Class Codes
B65D 81/3266
separated by a common ruptu...
F25D 5/02
portable, i.e. adapted to b...
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