Phosphorescent paving block
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 23, 2003
Grant Date -
N/A
app pub date -
May 2, 2002
filing date -
May 2, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention essentially comprises a phosphorescent paving block having a paving base, and a phosphorescent material in contact with the paving base. Additionally the paving block can also have a light-transmitting cover and a light-transmitting base on either side of the phosphorescent material to form a laminate.
First Claim
Family
International Classification(s)
Cited Art Landscape
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