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 places free element in contact with another element > Correct answer indicator lamp carried by free element > Patents

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Class Information
Number: 434/341
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 places free element in contact with another element > Correct answer indicator lamp carried by free element
Description: Subject matter wherein the free element includes an indicator lamp as a part thereof, the lamp being illuminated upon the closing of the electric circuit to thereby indicate a correct response.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
D474109	Connector for use in packaging aerosol containers	May. 6, 2003
4868374	Self-contained detector device for checking information recorded on a carrier	Sep. 19, 1989
4557694	Teaching device and method of using same	Dec. 10, 1985
4323243	Electrical board game device	Apr. 6, 1982
4306870	Contact-actuated light pencil	Dec. 22, 1981
4194302	Answer-spotting electric instrument	Mar. 25, 1980
4183152	Electrical indicating device	Jan. 15, 1980
4115931	Individualized teaching system utilizing electrical continuity	Sep. 26, 1978