Electric effect-based security feature on security documents and on documents of value-proof process belonging thereto
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
N/A
app pub date -
Jun 5, 2000
filing date -
Jun 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A security feature is provided for value and security documents in the form of piezo security particles. Electrical and mechanical properties of the piezo-security particles are utilized to detect and evaluate the security feature of the value and security document.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully