Transaction slips pack

Printed matter – Having revealable concealed information – fraud preventer or... – By removeable material

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282 9R, D19 5, B42D 1500, B41L 120

Patent

active

044037937

ABSTRACT:
An improved assembled pack or formset of credit card transaction slips with duplicating carbon slips having a series of perforations in the form of perforation strips aligned with the customer's credit card account number position on the transaction slips provided for the merchant, customer and credit card issuer. Simultaneous with deleaving or removing one of the transaction slips, the duplicating carbons are respectively split into two sections along the respective perforation strip, enabling the customer's account number to be accordingly split into two sections, and substantially preventing surreptitious reconstruction of the customer's account number from the used duplicating carbons.

REFERENCES:
patent: 2121203 (1938-06-01), Knoble
patent: 2223089 (1940-11-01), Beuglet
patent: 3983645 (1976-10-01), Rycroft
patent: 3987960 (1976-10-01), Gardiner
patent: 4179139 (1979-12-01), Savar et al.

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