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Class Information
Number: 434/345
Name: Education and demonstration > Question or problem eliciting response > Correctness of response indicated to examine by self-operating or examinee actuated means > Size or shape of, or aperture in, free element cntrols indication of response correctness
Description: Subject matter wherein a freely movable element (e.g., a card, etc.) has a distinctive configuration, a perforation, or other physical characteristic which is indicative of the correct response to a question or problem.










Patents under this class:

Patent Number Title Of Patent Date Issued
8566704 System, method and computer program product for editing web pages in-context of a production view Oct. 22, 2013
8532561 Virtual training system Sep. 10, 2013
7641107 Fault monitoring and notification system for automated banking machines Jan. 5, 2010
7366646 Fault monitoring and notification system for automated banking machines Apr. 29, 2008
6768975 Method for simulating operation of an automated banking machine system Jul. 27, 2004
5759041 Mathematics teaching device Jun. 2, 1998
5634799 Educational apparatus Jun. 3, 1997
5372511 Educational toys Dec. 13, 1994
5165894 Educational book set and receptacle Nov. 24, 1992
4776802 Learning aid and puzzle Oct. 11, 1988
4526550 Combination system and question and answer matching game Jul. 2, 1985
4354842 System for utilizing interactive blocks to teach arithmetic Oct. 19, 1982
4340373 Spelling machine Jul. 20, 1982
4185400 Typewriter with instructional apparatus Jan. 29, 1980
4106216 Positioning system utilizing binary code Aug. 15, 1978
4027402 Novel educational toy Jun. 7, 1977
4024650 Educational toy May. 24, 1977
4012849 Educational quiz and answer toy Mar. 22, 1977
3986275 Apparatus for self-instruction Oct. 19, 1976











 
 
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