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2912809
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Information
Patent Grant
2912809
References
Source
Patent Number
2,912,809
Date Filed
Not available
Date Issued
Tuesday, November 17, 1959
65 years ago
CPC
B65B7/2871 - by gluing
B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
B65B7/2878 - by heat-sealing
B31B2217/068 - having non-square, non-rectangular cross section
B31B2217/082 - Making boxes from tubular webs or blanks
US Classifications
053 - Package making
219 - Electric heating
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