Y SQUARE LTD., INC. A CORP. OF CA

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5043887 Automatic electronic downloading of bingo cardsExpiredMar 28, 89Aug 27, 91[G06F]
5007649 Gaming system with system base station and gaming boardsExpiredMar 28, 89Apr 16, 91[A63F]
4848771 Gaming system with session master and gaming boardsExpiredJan 16, 86Jul 18, 89[A63F]
4747600 Electronic game board for bingoExpiredJan 17, 86May 31, 88[A63F]
4365810 Gaming boardExpiredSep 28, 79Dec 28, 82[A63F]

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