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United States of America Patent
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May 29, 1990
Grant Date -
N/A
app pub date -
Dec 30, 1988
filing date -
Dec 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In accordance with the foregoing objects, the present invention provides for a source and detector arranged in the path of a diminishing supply of documents, the strategically located detector responding to the absence of a supply at a specific point for providing an indication that the document supply or the like is getting low so that an operator may refill the supply before it runs out.
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