Electronic floor display cleaning system and protective cover
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 6, 2005
Grant Date -
Sep 25, 2003
app pub date -
Feb 26, 2003
filing date -
May 4, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Embodiments of the present invention relate to an electronic display associated with a floor. The electronic display is provided with a sturdy protective cover to prevent damage to the display due to foot traffic or other factors. The protective cover in turn is provided with a device for at least one of preventing damage to the protective cover and for removing dirt from over the electronic display that may obscure the display.
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Family
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- Non-US Classification not provided for expired patents
Cited Art Landscape
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- Citation Ranking not provided for expired patents
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