Bright printed sheet
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United States of America Patent
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Apr 29, 1997
Grant Date -
N/A
app pub date -
Nov 22, 1994
filing date -
Sep 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The transparent plastic sheet is provided with the linearly extending convex lenses formed repeatedly, continuously and integrally therewith, on the surface side thereof, and the transparent printed layer formed on the back side thereof, to give the brightness with variously changing the sheet in color in dependence upon the angles of one's eyes relative to the plastic sheet, whereby improving the designing external appearance.
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