Mailing envelope structure and method

Envelopes – wrappers – and paperboard boxes – Envelope – Series

Patent

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Details

229 73, B65D 2710, B65D 2706

Patent

active

040237273

ABSTRACT:
A mailing envelope structure and method wherein a single sheet is advantageously provided as a business form having a plurality of envelope blanks, each blank being equipped with perpendicular lines of potential folding to divide the blank into four parts, the blank when separated from the business form being divisible into four parts along the lines of potential folding to provide an envelope packet with one part as an invoice or the like and the remaining parts serving as envelope faces both for outgoing and return envelopes.

REFERENCES:
patent: 197678 (1877-11-01), Stevens
patent: 875636 (1907-12-01), Tubbs
patent: 1167245 (1916-01-01), Abrams
patent: 2004688 (1935-06-01), Bruce
patent: 2340700 (1944-02-01), Sawdon
patent: 2517843 (1950-08-01), Cochran
patent: 3061173 (1962-10-01), Sawdon
patent: 3525469 (1970-08-01), Sawdon
patent: 3618284 (1971-11-01), Gendron
patent: 3908892 (1975-09-01), Pelzer

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