Envelopes – wrappers – and paperboard boxes – Envelope – Compartment
Patent
1983-10-11
1988-08-09
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Envelope
Compartment
229 70, B65D 2708
Patent
active
047622717
ABSTRACT:
An envelope system is described which is particularly efficient in its manufacture and use. It has particular utility in the marketing field for conducting surveys and like procedures.
The envelope system comprises first and second envelopes integrally joined by a perforated, frangible tear line for separation. The first envelope is formed from a folded planar sheet having a sealable flap for closing the envelope and optionally may have a window for viewing envelope contents. The second envelope, which may be used for returning materials to the sender of the integrated envelopes, comprises a folded, closeable sheet having an aperture for viewing the envelope contents.
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Gehman Bryon
Marcus Stephen
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