Multi-ply mailer form and method

Envelopes – wrappers – and paperboard boxes – Envelope – Display

Patent

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Details

156 76, 229 69, 462 6, 493222, 493919, B65D 2704

Patent

active

050764896

ABSTRACT:
A multi-ply mailer and method of making wherein the top sheet has a CB coating, the next adjacent intermediate ply has a CF coating and the top sheet has a localized area coated with transparentizing material with image developing properties whereby impressing the localized area results in the development of an image visible through the top ply.

REFERENCES:
patent: 1766416 (1930-06-01), Von Winkler
patent: 3104799 (1963-09-01), Steidinger
patent: 4095695 (1978-06-01), Steidinger
patent: 4172605 (1979-10-01), Welsch
patent: 4425386 (1984-01-01), Chang et al.
patent: 4448445 (1984-05-01), Chang
patent: 4664416 (1987-05-01), Steidinger
patent: 4729506 (1988-03-01), Neubauer

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