Method and device for the secure protection of an official document and official document thus protected
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 26, 2019
Grant Date -
Mar 31, 2016
app pub date -
May 12, 2014
filing date -
May 13, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for the secure protection of a portion of the surface of an official document bearing markings, in which: a transparent security layer (17) is selected, the layer including at least one semi-transparent printed image including at least one transparent binder and at least one thermochromic pigment (14, 13, 12, 11); the semi-transparent printed image reveals at least one semi-transparent visible pattern in a first non-activated state at least a first temperature, such that the markings can be seen through the image, the pattern not being visible in a second activated state at least a second temperature different from the first temperature. A device for the secure protection of a portion of the surface of an official document and such an official document are also described.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B41M Class
- 375 Applications Filed
- 345 Patents Issued To-Date
- 92 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B41M Class
- 54.69 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 26, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 26, 2030 |
