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Class Information
Number: 434/333
Name: Education and demonstration > Question or problem eliciting response > Correctness of response indicated to examine by self-operating or examinee actuated means > Picture or pattern completed by examinee placing plaques bearing portions thereof in correct relation
Description: Subject matter wherein an examinee places a plurality of response-bearing elements (e.g., blocks, tiles, etc.) in an array, the location of each element being suggested by a question or problem, each element bearing a portion of a design, drawing, or the like, and the complete, uninterrupted design or illustration being revealed if all elements are correctly placed.

Patents under this class:

Patent Number Title Of Patent Date Issued
6641402 Method and apparatus for training memory Nov. 4, 2003
5979895 Method and apparatus for administering psychological tests Nov. 9, 1999
5820383 Magnetic manipulatives book Oct. 13, 1998
5411271 Electronic video match game May. 2, 1995
5372511 Educational toys Dec. 13, 1994
5277587 Learning toy Jan. 11, 1994
5167509 Educational puzzle Dec. 1, 1992
5087043 Interactive audio-visual puzzle Feb. 11, 1992
4893817 Musical jigsaw-type puzzle Jan. 16, 1990
4695257 Problem solving game Sep. 22, 1987
4687203 Scratch and smell game Aug. 18, 1987
4674983 Relation teaching block arrays Jun. 23, 1987
4640512 Interactive book-puzzle instructional entertainment system Feb. 3, 1987
4361328 Sheet interfitting section puzzle Nov. 30, 1982
4243224 Scratch and smell puzzle Jan. 6, 1981
3937472 Educational and amusement puzzle Feb. 10, 1976

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