Illuminated sign for residence street address
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 28, 1990
Grant Date -
N/A
app pub date -
Jun 17, 1988
filing date -
Jun 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An illuminated sign for residence street address to be connected across the terminals of the button of a house bell. The sign comprises light emitting diodes (LED) which project light on a reflector and through a plate displaying opaque digits. The LED's are constantly energized by a suitable direct current obtained by the rectification of the alternative current existing of the terminals of the house bell.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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