Tamper-resistant polyester credit cards

Details Tamper-resistant polyester credit cards Tamper-resistant polyester credit cards

1984-12-05

1985-12-10

Kimlin, Edward

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428174, 428916, 283107, 283904, 40616, 156220, 264346, B32B 300, B32B 100, C09J 500, B41M 314

Patent

active

045579636

ABSTRACT:
The present invention relates to a credit card or identification card fabricated from amorphous polyester sheet material wherein at least the area of said card containing embossed numerical or letter characters and the characters themselves are composed of substantially crystalline polyester. Such characters can not readily be altered by either heat treatment or by shaving them off.

REFERENCES:
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patent: 4304851 (1981-12-01), McGrail et al.
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patent: 4389472 (1983-06-01), Neuhaus et al.
patent: 4434199 (1984-02-01), Fair
patent: 4451068 (1984-05-01), Hall et al.
patent: 4455484 (1984-06-01), Whitehead
patent: 4456639 (1984-06-01), Drower et al.
Assault with a Plastic Weapon (Credit Card Fraud) by M. Wantuck, Nation's Business, May 1984, pp. 20-24.

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