


Class Information
Number: 434/207
Name: Education and demonstration > Mathematics > Arithmetic > Color used in teaching means
Description: Subject matter wherein color is employed to relate to a specific number or set of numbers.
Patents under this class:
Patent Number 
Title Of Patent 
Date Issued 
7413440 
Hundreds board device and method 
Aug. 19, 2008 
7364431 
Educational game 
Apr. 29, 2008 
6814579 
Method for educating children 
Nov. 9, 2004 
6758675 
Base ten primary teaching kit 
Jul. 6, 2004 
6695618 
Multiplication game 
Feb. 24, 2004 
6595778 
Base ten primary teaching kit 
Jul. 22, 2003 
6575755 
Fraction circle 
Jun. 10, 2003 
6575754 
Device and method for teaching mathematical properties associated with even and odd numbers 
Jun. 10, 2003 
6206372 
Magic squares game 
Mar. 27, 2001 
6102401 
Game of numbers and colors 
Aug. 15, 2000 
6056553 
Apparatus for math teaching and selflearning 
May. 2, 2000 
5876212 
Apparatuses and kits for teaching mathematics 
Mar. 2, 1999 
5769639 
Multieducational device 
Jun. 23, 1998 
5704790 
Methods of playing games which enhance mathematical understanding 
Jan. 6, 1998 
5653594 
Educational toy for learning multiplication 
Aug. 5, 1997 
5645431 
Teaching apparatus and method for visually representing mathematical expressions 
Jul. 8, 1997 
5571019 
Apparatus and method for teaching concepts of mathematics 
Nov. 5, 1996 
5545042 
Learning board in combination with solution lists 
Aug. 13, 1996 
5520542 
Games for enhancing mathematical understanding 
May. 28, 1996 
5423682 
Numbering system teaching aid 
Jun. 13, 1995 
5395245 
Elastic pattern abacus and tool for changing arrangement of abacus beads 
Mar. 7, 1995 
5334026 
Manual sliding calculator 
Aug. 2, 1994 
RE34498 
Manual teaching calculator 
Jan. 4, 1994 
5242171 
Game cards for playing a game and for learning arithmetic 
Sep. 7, 1993 
5219289 
Mathematical teaching aid 
Jun. 15, 1993 
5167505 
Educational aides and methods 
Dec. 1, 1992 
5149269 
Manual teaching calculator 
Sep. 22, 1992 
5114346 
Teaching means 
May. 19, 1992 
5083793 
Multiple choices mathematical game apparatus 
Jan. 28, 1992 
5066234 
Educational toy and method therefor 
Nov. 19, 1991 
5018976 
Teaching system for enhancing the learning of sets of facts 
May. 28, 1991 
4971560 
Teaching aid and method for improving memorization of fundamental facts in the form of equations 
Nov. 20, 1990 
4968255 
Electronic instructional apparatus 
Nov. 6, 1990 
4892484 
Interconnecting toy 
Jan. 9, 1990 
4838794 
Metric block toy 
Jun. 13, 1989 
4812123 
Educational device and game 
Mar. 14, 1989 
4713009 
Teaching apparatus and method for solving algebraic linear equations 
Dec. 15, 1987 
4637798 
Child's doll useful for teaching counting, color identification, and for promoting manual dexterity 
Jan. 20, 1987 
4634385 
Teaching wheels 
Jan. 6, 1987 
4585419 
Didactic aid for the teaching of any number system 
Apr. 29, 1986 
4560354 
Device for teaching decimal math 
Dec. 24, 1985 
4548585 
Teaching aid for mathematics 
Oct. 22, 1985 
4452588 
Mathematical game apparatus 
Jun. 5, 1984 
4445867 
Educational board game 
May. 1, 1984 
4445865 
Method of teaching mathematics 
May. 1, 1984 
4422642 
Novelty educational puzzle apparatus 
Dec. 27, 1983 
4382794 
Instructional aid 
May. 10, 1983 
4372742 
Arithmetical teaching aid 
Feb. 8, 1983 
4316612 
Educational algebra board game 
Feb. 23, 1982 
4176472 
Numbers teaching aid 
Dec. 4, 1979 


