Double engraved identification card

Details Double engraved identification card Double engraved identification card

1982-01-11

1983-11-15

Lesmes, George F.

Stock material or miscellaneous articles

Article having latent image or transformation

428 30, 428172, 428203, 428204, 283 75, 283 94, 283111, B44F 110

Patent

active

044156120

ABSTRACT:
A double engraved identification card has a first planar member with a first engraved image in one of its major planar surfaces and a second planar member with a second engraved image in one of its major planar surfaces. The first and second engraved images are aligned in coincidence and the first and second planar members affixed to one another so as to form a single composite image. A slot is provided between the first and second planar members between the first and second engraved images. The slot has an edge access opening to selectively receive an opaque card through the edge opening into the slot region and prevent simultaneous observation of both the first and second engraved images.

REFERENCES:
patent: 3412493 (1968-11-01), French
patent: 3897964 (1975-08-01), Oka et al.
patent: 3930924 (1976-01-01), Oka et al.
patent: 3950608 (1976-04-01), Noda et al.

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