Magnetic bingo board
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 26, 1995
Issued Date -
N/A
app pub date -
May 23, 1993
filing date -
Dec 18, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A transparent bingo card overlays a magnetic indicator board. The bingo numbers on the card are marked with a magnetic wand that darkens the area of the magnetic indicator board immediately underneath the bingo number. All marks are erased at the start of new bingo game by an eraser magnet sliding inside of the indicator board. The indicator board incorporates a microprocessor that optically tracks all cards being played by reading data marks on the transparent bingo board.
First Claim
Family
International Classification(s)
Cited Art Landscape
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