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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 136


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702434 Card-type learning tools, learning apparatuses, programs for learning apparatuses, and recording media therefor Apr. 22, 2014
8550822 Method for estimating examinee attribute parameters in cognitive diagnosis models Oct. 8, 2013
8366449 Method and system for knowledge diagnosis and tutoring Feb. 5, 2013
8348674 Test discrimination and test construction for cognitive diagnosis Jan. 8, 2013
8047547 African history card game Nov. 1, 2011
8032905 Interactive broadcast system and method with different content displayed to different viewers Oct. 4, 2011
7988546 Media containing puzzles in the form of clips Aug. 2, 2011
7980930 On-line game based on words, making use of a search engine Jul. 19, 2011
7972205 Search engine crossword puzzle Jul. 5, 2011
7942421 Container with message inside and related method for promoting social interaction May. 17, 2011
7905490 Interactive game and method of play Mar. 15, 2011
7762557 Trivia game and method of play Jul. 27, 2010
7758048 Multiplayer game with strategic element Jul. 20, 2010
7758047 Word game using stylized letters that share at least one common side Jul. 20, 2010
7744091 Identity guessing game and methods of playing Jun. 29, 2010
7725910 Interactive broadcast system and method with different content displayed to different viewers May. 25, 2010
7694974 Question-and-answer game Apr. 13, 2010
7677576 Electronic last-to-answer timed response game Mar. 16, 2010
7669857 Electronic last-to-answer timed response game Mar. 2, 2010
7654533 Numeric guessing game Feb. 2, 2010
7651095 Multiplayer trivia game Jan. 26, 2010
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

1 2 3










 
 
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