Magnetized ink, paint or dye used on merchandise to prevent theft
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United States of America Patent
Stats
-
May 29, 1990
Grant Date -
N/A
app pub date -
Feb 19, 1988
filing date -
Feb 20, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a procedure for applying an anti-theft device on goods, and ink/dye/paint for use therewith. The ink to be applied on the goods is mixed with magnetizable particles, the particles being magnetized, and demagnetization being effect upon payment or leaving the premises. An alarm signal is emitted if a marked article which has not been demagnetized, is taken out.
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Cited Art Landscape
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