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Class Information
Number: 273/238
Name: Amusement devices: games > Board games, pieces, or boards therefor > Electrical > Removable and discrete game piece changes status of circuit
Description: Game structure in which at least one removable and discrete contest element is adapted to cause an electrical change in status of an electrical circuit (e.g., complete or break an electrical circuit) upon placement onto or removal from the surface having the pattern or confining region.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8517383 Interactive game board system incorporating capacitive sensing and identification of game pieces Aug. 27, 2013
8460102 Hand-held interactive game Jun. 11, 2013
8435037 Child testing apparatus, information system and method of use May. 7, 2013
8191896 Card game device, card data reader, card game control method, recording medium, program, and card Jun. 5, 2012
8172229 Card game device, card data reader, card game control method, recording medium, program, and card May. 8, 2012
8132814 Sudoku solving apparatus Mar. 13, 2012
8104688 Method and system for identifying a game piece Jan. 31, 2012
8087672 System and devices for real-time electronic chess move recording, viewing and storage Jan. 3, 2012
7954820 Mixed media game and methods Jun. 7, 2011
7909697 Hand-held interactive game Mar. 22, 2011
7893646 Game system with robotic game pieces Feb. 22, 2011
7857624 Child testing apparatus, information system and method of use Dec. 28, 2010
7852223 Sequenced antenna array for determining where gaming chips with embedded RFID tags are located on a blackjack, poker or other gaming table and for myriad other RFID applications Dec. 14, 2010
7828295 Game information, information storage medium and game apparatus Nov. 9, 2010
7724236 Methods and systems for providing programmable computerized interactors May. 25, 2010
7677564 Sudoku-type puzzle board game and method of play Mar. 16, 2010
7431297 Card game device, card data reader, card game control method, recording medium, program, and card Oct. 7, 2008
7392985 Receiver matrix configured to identify multiple external resistors Jul. 1, 2008
7264242 Light-reflecting board game Sep. 4, 2007
6896261 Pachinko stand-alone and bonusing game May. 24, 2005
6835131 Game apparatus for supplying power to playing elements Dec. 28, 2004
6739874 Electronic educational toy appliance teaching letters words and numbers May. 25, 2004
6460851 Computer interface apparatus for linking games to personal computers Oct. 8, 2002
6446966 Chess game and method Sep. 10, 2002
6443796 Smart blocks Sep. 3, 2002
6168158 Device for detecting playing pieces on a board Jan. 2, 2001
6102397 Computer interface apparatus for an amusement device Aug. 15, 2000
5931677 Educational globe tool Aug. 3, 1999
5906369 Electronic matching game apparatus including sound generating means and method of game play using the same May. 25, 1999
5853327 Computerized game board Dec. 29, 1998
5791648 Inductive sensory apparatus Aug. 11, 1998
5749579 Simulating the assembly of an automobile May. 12, 1998
5702103 Game board having mechanical characters Dec. 30, 1997
5462281 Electrified board game Oct. 31, 1995
5460381 Pirate game apparatus Oct. 24, 1995
5297800 Ultra-enigma code game Mar. 29, 1994
5290038 Predator simulation board game apparatus Mar. 1, 1994
5269529 Pegboard game apparatus Dec. 14, 1993
5251904 Board game apparatus Oct. 12, 1993
5249806 Minefield game Oct. 5, 1993
5215311 Amusement device Jun. 1, 1993
5162009 Toy race track apparatus Nov. 10, 1992
5145182 Board game with laser beam paths Sep. 8, 1992
5129654 Electronic game apparatus Jul. 14, 1992
5121927 Checkerboard game that activates water throwing device Jun. 16, 1992
5098106 Chess teaching computer Mar. 24, 1992
5082286 Sensory games Jan. 21, 1992
5069458 Illuminating peg board game Dec. 3, 1991
5013047 Apparatus for determining the identity and position of game objects May. 7, 1991
5011157 Electronic game display device Apr. 30, 1991

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