Combination mailing envelope and file folder

Details Combination mailing envelope and file folder Combination mailing envelope and file folder

1989-05-25

1990-05-08

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Envelope

229 15R, 206610, B65D 2734

Patent

active

049231111

ABSTRACT:
A combination mailing envelope and file folder is provided wherein the envelope, when opened and torn along tearable score lines, will result in the creation of a file folder.

REFERENCES:
patent: 1755814 (1930-04-01), Cox
patent: 1922213 (1933-08-01), Middleton
patent: 2345793 (1944-04-01), Chapel
patent: 3756468 (1973-09-01), Holmes
patent: 4765485 (1988-08-01), Perkins

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