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Class Information
Number: 434/232
Name: Education and demonstration > Occupation > Keyboard operation (e.g., typing, key punching, etc.) > Practice keyboard having individually depressible keys > With means to display character upon depression of key
Description: Subject matter including means which will cause a character to be displayed when the key bearing the corresponding character is depressed.










Patents under this class:

Patent Number Title Of Patent Date Issued
5803744 Computer typing learning device Sep. 8, 1998
5484288 Apparatus for teaching inscription of characters Jan. 16, 1996
5478082 Apparatus for teaching or correcting the stance of a golfer Dec. 26, 1995
4693694 Toy with moving screen Sep. 15, 1987
4573928 Teaching toy Mar. 4, 1986
4492582 Teaching and entertainment device Jan. 8, 1985
4195423 Pop-up cash register Apr. 1, 1980











 
 
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