Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1988-04-29
1989-09-19
Elkins, Gary
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
40312, 206459, 206521, 220418, 229921, 229193, 229 73, B65D 556, B65D 4316
Patent
active
048673722
ABSTRACT:
A return mailer blank is provided for packaging a generally flat and/or rectilinear object. The mailer blank includes a flexible padding layer in sealed sandwich relation between opposed mutually matching envelope sheet layers serving as a mailing address layer and a return address layer.
The mailer blank has an end-flap pair which foldably comprises a rain-flap pair that serves when folded to provide protection against weathering or moisture in the area adjoining a seal flap.
The mailer blank in one embodiment has first and second main panels, each with an end-flap pair which are structured such that when folded one end flap fits into a pocket of the other, e.g. in tongue and groove fashion, to enable securing the ends of the package for forward mailing and return mailing.
REFERENCES:
patent: 100658 (1870-03-01), Osborn
patent: 210576 (1878-12-01), Taylor
patent: 2011703 (1935-08-01), Barker
patent: 2400406 (1946-05-01), Godoy
patent: 2989221 (1961-06-01), Butler
patent: 3021043 (1962-02-01), Phin
patent: 3184149 (1965-05-01), Repko
patent: 3306521 (1967-02-01), Giacovas
patent: 3608707 (1971-09-01), Miller
patent: 4056221 (1977-11-01), Piltz et al.
patent: 4444354 (1984-04-01), Staelgraeve
patent: 4657177 (1987-04-01), Karabedian
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