Envelopes – wrappers – and paperboard boxes – Envelope – Display
Patent
1990-06-27
1991-12-31
Garbe, Stephen P.
Envelopes, wrappers, and paperboard boxes
Envelope
Display
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
Garbe Stephen P.
Wallace Computer Services Inc.
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