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2262347
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Information
Patent Grant
2262347
References
Source
Patent Number
2,262,347
Date Filed
Not available
Date Issued
Tuesday, November 11, 1941
83 years ago
CPC
B41L1/30 - folded longitudinally
B41L1/326 - Severance lines; Perforations
B42D15/08 - Letter-cards or letter-sheets
US Classifications
462 - Books, strips, and leaves for manifolding
229 - Envelopes, wrappers, and paperboard boxes
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