Counterfeit detector for paper currency
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 5, 1980
Grant Date -
N/A
app pub date -
Apr 20, 1978
filing date -
Apr 20, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A detector apparatus for counterfeit paper currency comprising a clamp and torsion pendulum assembly for holding a note to be tested, a moveable magnetic field source mounted so that it can be brought into contact with the note and then withdrawn, and indicating means for detecting and measuring deflection of the note.
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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