Magnetic modifiable sign

Details Magnetic modifiable sign Magnetic modifiable sign

2000-12-11

2002-08-13

Thomas, Alexander S. (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S040100, C428S099000, C428S119000, C428S192000, C428S900000, C040S600000, C040S621000

Reexamination Certificate

active

06432520

ABSTRACT:

FIELD OF THE INVENTION
A lightweight magnetic modifiable sign which is a flexible substrate, magnetic ink adhered to one surface of such substrate, and an ink layer disposed over the top surface of said substrate.
BACKGROUND OF THE INVENTION
U.S. Pat. No. 5,852,890 of Adrian W. Pynenburg discloses a magnetic modifiable sign system comprised of a base made of hardboard material, a steel sheet attached to the base, and a plastic substrate disposed over the steel sheet. This system is relatively heavy and cumbersome, and it cannot readily be used with a wide variety of sign-mounting systems.
It is an object of this invention to provide a magnetic modifiable sign which is lightweight and flexible.
SUMMARY OF THE INVENTION
In accordance with this invention, there is provided a lightweight magnetic modifiable sign which is comprised a flexible substrate, magnetic ink adhered to one surface of such substrate, and an ink layer disposed over the top surface of such substrate.


REFERENCES:
patent: 5852890 (1998-12-01), Pynenburg
patent: 6159577 (2000-12-01), Pynenburg et al.

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