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3389783
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Information
Patent Grant
3389783
References
Source
Patent Number
3,389,783
Date Filed
Not available
Date Issued
Tuesday, June 25, 1968
55 years ago
CPC
B65D75/522 - Inspection openings or windows
B65D65/18 - with some areas transparent and others opaque
B65D75/26 - Articles or materials wholly enclosed in laminated sheets or wrapper blanks
B65D75/54 - Cards, coupons, or other inserts or accessories
US Classifications
426 - Food or edible material: processes, compositions, and products
229 - Envelopes, wrappers, and paperboard boxes
383 - Flexible bags
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