Identification card

Details Identification card Identification card

1987-11-24

1989-12-26

Robinson, Ellis P.

Stock material or miscellaneous articles

Display in frame or transparent casing; or diorama including...

428 68, 428 76, 428204, 428209, 428901, 428915, 428911, 428212, 283 74, 283 75, 283 77, 283107, 283109, 283111, A47G 112

Patent

active

048897493

ABSTRACT:
An identification card comprises a center core layer, a photograph embedded in the core layer, a first assembly of multiple layers laminated on the upper surface of the core layer and the photograph, and a second assembly of multiple layers laminated on the back surface of the core layer and the photograph. The layers of the first and second assemblies have substantially similar thermal expansion properties. Accordingly, the thickness of the identification card is uniform since the thickness of the core layer is substantially the same as the thickness of the photograph. High reliability can be obtained without any accompanying warp as a result of the substantially symmetrical arrangement of the first and second assemblies with respect to the core layer and the embedded photograph.

REFERENCES:
patent: 3512286 (1970-05-01), Siegel
patent: 3582439 (1971-06-01), Thomas
patent: 4318554 (1982-03-01), Anderson et al.
patent: 4330350 (1982-05-01), Andrews
patent: 4514785 (1985-04-01), Parmentier
patent: 4589687 (1986-05-01), Hannon

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