Battery missing indicator
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United States of America Patent
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-
Mar 9, 1993
Grant Date -
N/A
app pub date -
Feb 26, 1990
filing date -
Feb 26, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A battery powered condition detecting unit includes first and second battery retaining prongs which in the absence of a battery come in contact with a blocking flange on a cover thereby making it impossible to latch the cover to the unit. In the presence of a battery, the free ends of the battery retaining prongs are spread apart so that the blocking flange drops therebetween allowing the cover to be latched to the unit.
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