Mailer with transparent patch

Details Mailer with transparent patch Mailer with transparent patch

1987-02-04

1988-03-08

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Envelope

Series

229 71, B65D 2704, B65D 2710

Patent

active

047295066

ABSTRACT:
The front ply of the mailer is provided with a cutout window and a transparent patch over the window. The patch is provided with a CB coating while the underlying area of the insert ply is provided with a CF coating for chemically reacting with the first coating in response to an impact force from a stylus on the patch. Imaged information on the insert ply can be viewed through the transparent patch while being protected by the patch.

REFERENCES:
patent: 3104799 (1963-09-01), Steidinger
patent: 3408908 (1968-11-01), Berkowitz
patent: 3952942 (1976-04-01), O'Leary et al.
patent: 4172605 (1979-10-01), Welsch et al.

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