Identification card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 4, 1984
Grant Date -
N/A
app pub date -
Sep 14, 1982
filing date -
Sep 14, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A monolithic laminate identification card which contains at least two layers (26, 27) with different optical permeability or color. The adjoining joinable surfaces of these layers are provided with complementary, interlocking embossed and debossed formations (21, 22). Under transmitted light a sign or image corresponding to these embossed and debossed formations can be seen that has a different brightness or color from the rest of the card (25).
First Claim
Family
International Classification(s)
Cited Art Landscape
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