Pavement marker with improved daytime visibility
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 6, 2003
Grant Date -
N/A
app pub date -
May 26, 2000
filing date -
May 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pavement marker having improved daytime visibility comprises a transparent fluorescent top portion having smooth flat parallel top and bottom surfaces with a front edge therebetween and air interfacing most of the bottom surface. Light received by the smooth flat top surface of the top portion is directed internally through the top portion and emitted from the front edge, to provide a visible signal to drivers of oncoming vehicles.
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Cited Art Landscape
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