Magnetically interactive substrates

Coating processes – Direct application of electrical – magnetic – wave – or... – Magnetic field or force utilized

Reexamination Certificate

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Details

C446S135000, C446S136000, C273S239000, C427S458000, C235S449000, C235S493000, C428S195100

Reexamination Certificate

active

10428057

ABSTRACT:
A substrate is printed with areas of magnetizable ink. The magnetizable ink is compressed into the surface of the substrate, and overprinted to hide it. Suitable inks for the purpose are disclosed. The ink may be permanently magnetized in any of a variety of patterns.

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