Luminous electric sign
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United States of America Patent
Stats
-
Feb 27, 2001
Grant Date -
N/A
app pub date -
Apr 27, 1999
filing date -
Jun 17, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A luminous electric display unit having glass tubing, filled with an inert gas, fully or partially enclosed within a protective housing, thereby providing protection both for the glass tubing and the public.
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Cited Art Landscape
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