Method and device for indicating future need for product replacement of random use dispensing
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United States of America Patent
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N/A
Issued Date -
May 14, 2009
app pub date -
Nov 14, 2007
filing date -
Nov 14, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method is presented for indicating whether a dispensable product will require refilling prior to the next scheduled service interval. The inventive method includes tracking the amount of use over a first interval, calculating a frequency based from the use over the first interval; comparing the quantity remaining with the required amount, which is the product of the number of weeks in the service interval and the calculated frequency. Based on the usage, when the quantity remaining is less that the required amount, a warning will be provided to indicate that the dispensing product should be replaced, as it will be empty before the next service interval. A dispenser incorporating such method is also described.
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