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Class Information
Number: 434/339
Name: Education and demonstration > Question or problem eliciting response > Correctness of response indicated to examine by self-operating or examinee actuated means > By means including electrical component > Part of electric circuit completed when examinee depresses portion of sheet having electric conductor associated therewith
Description: Subject matter arranged so that when an examinee depresses a sheet at a correct answer location thereon an electric circuit is completed.










Patents under this class:

Patent Number Title Of Patent Date Issued
8609828 Oligonucleotides and methods for detection of West Nile virus Dec. 17, 2013
8435037 Child testing apparatus, information system and method of use May. 7, 2013
7857624 Child testing apparatus, information system and method of use Dec. 28, 2010
6241527 Interactive educational display board Jun. 5, 2001
5356296 Audio storybook Oct. 18, 1994
5330358 Computerized educational and entertainment device Jul. 19, 1994
5188533 Speech synthesizing indicia for interactive learning Feb. 23, 1993
5088928 Educational/board game apparatus Feb. 18, 1992
5087043 Interactive audio-visual puzzle Feb. 11, 1992
4990092 Talking book Feb. 5, 1991
4854879 Self-teaching book for children with an electronic device Aug. 8, 1989
4818827 Low force membrane switch Apr. 4, 1989
4664634 Electric self-teaching apparatus utilizing printed and auditory means May. 12, 1987
4576579 Instructional and testing apparatus with switch closure at two different depths Mar. 18, 1986
4561852 Computer assisted teaching machine that uses two electroresistive sheets Dec. 31, 1985
4557694 Teaching device and method of using same Dec. 10, 1985
4522599 Computer assisted instructional and testing apparatus with switch closure at two different depths Jun. 11, 1985
4521199 Computer assisted teaching machine that uses two sets of conductive strips Jun. 4, 1985
4445867 Educational board game May. 1, 1984
4432733 Amusement and educational game Feb. 21, 1984
4425099 Educational aid for use with workbook Jan. 10, 1984
4403965 Electronic teaching apparatus Sep. 13, 1983
4377049 Capacitive switching panel Mar. 22, 1983
4343474 Multiple game device Aug. 10, 1982
4310318 Electronic game Jan. 12, 1982
4228597 Teaching device Oct. 21, 1980
4073068 Teaching light Feb. 14, 1978
3947978 Educational learning device Apr. 6, 1976











 
 
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