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3122305
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Information
Patent Grant
3122305
References
Source
Patent Number
3,122,305
Date Filed
Not available
Date Issued
Tuesday, February 25, 1964
60 years ago
CPC
B65D3/22 - with double walls with walls incorporating air-chambers with walls made of laminated material
B31F1/007 - for making articles with multilayered walls
B65D3/263 - and having an attached or applied tearing or reinforcing element
US Classifications
229 - Envelopes, wrappers, and paperboard boxes
206 - Special receptacle or package
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