1975-05-05
1976-12-21
Coan, James F.
53 31, 93 62, B31B 4904
Patent
active
039981380
ABSTRACT:
A method of forming a mailing device from a previously printed form, said form including a letter sheet and an envelope sheet, and a plurality of widely spaced self-breakable teats joining said letter sheet to said envelope sheet comprising the steps of forming a plurality of widely spaced self-breakable teats at the transverse line joining the letter sheet to the envelope sheet, folding said letter sheet to a size of less than half of said envelope sheet, folding said folded letter sheet onto said envelope sheet, folding said envelope sheet to enclose said letter sheet, and sealing said envelope sheet.
REFERENCES:
patent: 3374940 (1968-03-01), Allison
patent: 3557519 (1971-01-01), Lyon, Jr.
patent: 3845698 (1974-11-01), Scholle
patent: 3902655 (1975-09-01), Huffman
Coan James F.
Grill Edith
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