Security elements, and methods and apparatus for their manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 16, 2017
Grant Date -
Apr 14, 2016
app pub date -
Dec 16, 2015
filing date -
Feb 1, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus is provided for magnetically imprinting indicia into a layer on an article, the layer comprising a composition in which magnetic or magnetisable particles are suspended. The apparatus comprises: a soft magnetisable sheet, having an outer surface arranged to face the article in use, and an opposing interior surface; and a permanent magnet, shaped such that its magnetic field contains perturbations giving rise to indicia. The permanent magnet is disposed adjacent the interior surface of the soft magnetisable sheet. The soft magnetisable sheet enhances the perturbations of the magnetic field of the permanent magnet such that when the layer to be imprinted is located adjacent the outer surface of the soft magnetisable sheet, the magnetic or magnetisable particles are oriented by the magnetic field to display the indicia.
First Claim
Other Claims data not available
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International Classification(s)
- 2015 Application Filing Year
- B41M Class
- 432 Applications Filed
- 355 Patents Issued To-Date
- 82.18 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B41M Class
- 0 % this patent is cited more than
- 8 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 | Nov 16, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 16, 2028 |
