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Class Information
Number: 273/429
Name: Amusement devices: games > Problem eliciting response
Description: Apparatus including a problem presented to a participant in order to obtain a response which is then compared to a predetermined answer or otherwise evaluated.


Sub-classes under this class:

Class Number Class Name Patents
273/430 Questions and answers 126


Patents under this class:
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Patent Number Title Of Patent Date Issued
7543819 Learning system and method and trivia game implementing same Jun. 9, 2009
7451988 Card driven word guessing game Nov. 18, 2008
7441777 Educational question and answer escape game having an antagonist element Oct. 28, 2008
7429045 Method and device for playing a game in which values of game pieces are gradually revealed Sep. 30, 2008
7396014 Couples interactive relationship question and answer board game Jul. 8, 2008
7334793 Game and method of playing the game Feb. 26, 2008
7287755 Method of playing a storytelling and idea generation game Oct. 30, 2007
7217187 Casino game and method having a hint feature May. 15, 2007
7192352 System and method for facilitating play of a video game via a web site Mar. 20, 2007
7188839 Entertainment game Mar. 13, 2007
7179166 Reel game requiring skill to win Feb. 20, 2007
7147555 Games grid board Dec. 12, 2006
7140613 Scrambled word game Nov. 28, 2006
7059964 Games grid board Jun. 13, 2006
7059601 Entertainment kit and associated method of entertainment Jun. 13, 2006
7055823 Cards Jun. 6, 2006
7044469 Game involving multiple communication methods May. 16, 2006
7000920 Memory engagement game Feb. 21, 2006
6945532 Word game Sep. 20, 2005
6932698 Treasure hunt game utilizing wireless communications devices and location positioning technology Aug. 23, 2005
6921333 Information supply system and program for a multi-player game Jul. 26, 2005
6886831 Game May. 3, 2005
6824136 Alpha cubes game Nov. 30, 2004
6790138 System and method for providing and scoring an interactive puzzle Sep. 14, 2004
6752396 Method and system for playing trivia games Jun. 22, 2004
6715762 System for providing entertainment and enhancing human relationships Apr. 6, 2004
6698760 Educational game Mar. 2, 2004
6655686 Recycling board game having scented game pieces and method of play Dec. 2, 2003
6609713 Scavenger hunt-type card-based game incorporating personality trait, command and/or event cards and method for playing same Aug. 26, 2003
6598878 Method and board game for teaching vocabulary Jul. 29, 2003
6565442 System and method for enhanced online transactions using shopping games May. 20, 2003
6468159 System and method for enhanced online transactions using shopping games Oct. 22, 2002
6435879 Method and device for checking the correctness of answers to quiz questions over the media and in events, especially television and radio Aug. 20, 2002
6422562 Word game Jul. 23, 2002
6406302 System and method for collecting and exchanging survey data Jun. 18, 2002
6334778 Remote psychological diagnosis and monitoring system Jan. 1, 2002
6328308 Creative comparison card-game w/board-game variant Dec. 11, 2001
6318722 Word puzzles and games Nov. 20, 2001
6312337 Online digital photography game system Nov. 6, 2001
6311977 Apparatus and method for playing a matching game Nov. 6, 2001
6168159 Apparatus and method for playing a matching game Jan. 2, 2001
6086068 Roach coach board game Jul. 11, 2000
5967793 Relationship-based computer-aided-educational system Oct. 19, 1999
5940801 Modular microprocessor-based diagnostic measurement apparatus and method for psychological conditions Aug. 17, 1999
5828943 Modular microprocessor-based diagnostic measurement apparatus and method for psychological conditions Oct. 27, 1998
5813672 Word puzzle and game Sep. 29, 1998
5746433 Method of playing a cards and dice game to develop public speaking ability May. 5, 1998
5735693 Method and device for learning a foreign language Apr. 7, 1998
5722658 Safety board game Mar. 3, 1998
5586765 Method of playing a word scramble game Dec. 24, 1996

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