Color coded credit card

Details Color coded credit card Color coded credit card

1978-07-17

1980-09-23

McQuade, John

Printed matter

Calendar

283 8R, B42D 1500

Patent

active

042239184

ABSTRACT:
A color coded credit card laminate consisting of a plurality of layers of material of different colors of visible thickness laminated relative to each other and extending to all edges of the card, to thereby provide a coded color pattern visible at the edges of the card. A coded credit card laminate consisting of a plurality of layers of material laminated relative to each other including a layer of material containing metal to provide a predetermined conductivity.

REFERENCES:
patent: 3546797 (1970-12-01), Oleson
patent: 3601913 (1971-08-01), Pollock
patent: 3662156 (1972-05-01), Grosbard
patent: 3902262 (1975-09-01), Colegrove et al.
patent: 3930924 (1976-01-01), Oka et al.
patent: 3967400 (1976-07-01), Otto
patent: 4097279 (1978-06-01), Whitehead

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