Vapor-emitting device with an active end of use indicator
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United States of America Patent
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Oct 21, 2008
Grant Date -
Mar 15, 2007
app pub date -
Jun 2, 2006
filing date -
Sep 13, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Vapor-emitting devices according to various embodiments of the invention include active end of use indicators to warn users that it is nearing the time and/or time to replace the vapor-emitting device or a refill for the device. Some embodiments of the vapor-emitting devices include intrusive actuation of the end of use indicator, while other embodiments include non-intrusive actuation of the end of use indicator. The indicators may be visual and/or auditory cues for notifying users it is nearing the time and/or time to replace the vapor-emitting device or a refill for the device.
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