Multi-use envelope

Envelopes – wrappers – and paperboard boxes – Envelope – Including remailing means

Patent

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Details

229 80, 229313, 229316, 383 5, B65D 2730

Patent

active

055033288

ABSTRACT:
In accordance with the present invention a multiple use envelope for safely sending material to successive recipients is provided. The envelope broadly is a paperboard container having a generally rectangular, substantially closed body with one open edge opening into an interior cavity for receiving material. A closure flap is connected to the body adjacent the open edge and can be manipulated to close the opening. On its interior surface, the closure flap carries two parallel sealing strips and two parallel opening strips for use by first and second senders and recipients. On its exterior surface, the closure flap carries an indicia receiving security block overlying at least a portion of at least one of the two opening strips. The invention also encompasses a flat paperboard blank for forming into the envelope.

REFERENCES:
patent: 211725 (1979-01-01), Foster
patent: 754201 (1904-03-01), Davalos
patent: 841699 (1907-01-01), Lawson
patent: 1091172 (1914-03-01), Thayer
patent: 1568880 (1926-01-01), Conklin
patent: 1896425 (1933-02-01), Scarfi
patent: 2345793 (1944-04-01), Chapel
patent: 2859907 (1958-11-01), McFarland
patent: 3520472 (1970-07-01), Kukulski
patent: 4483018 (1984-11-01), Whelan
patent: 4765485 (1988-08-01), Perkins
patent: 4923111 (1990-05-01), Down
patent: 5213258 (1993-05-01), Kim
Commercially available "FEDEX LETTER" package, copyright 1993 Federal Express Corporation.
Commercially available "EXPRESS MAIL" package, copyright USPS 1990.

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