


Class Information
Number: 434/205
Name: Education and demonstration > Mathematics > Arithmetic > Means having number of marks (e.g., dots, etc.) or associated physical units (e.g., sticks, indentations, etc.) corresponding to numeric value
Description: Subject matter including teaching means with a collection of marks or physical elements equal in number to a particular numeric value, e.g., a block representing the number 10 and having ten dots or ten notches on a surface thereof, or a bundle of five sticks representing the number 5.
Patents under this class:
Patent Number 
Title Of Patent 
Date Issued 
8529266 
Mathematical teaching apparatus and methods 
Sep. 10, 2013 
8371858 
Method and electronic calculating device for teaching arithmetic 
Feb. 12, 2013 
8317522 
Hormonal quotient profile calculator 
Nov. 27, 2012 
6884077 
Apparatus for math calculation and instruction 
Apr. 26, 2005 
6716033 
System for teaching mathematics 
Apr. 6, 2004 
6609712 
Math manipulative educational learning game 
Aug. 26, 2003 
6447300 
Educational card game 
Sep. 10, 2002 
6336274 
Right angle graphing template 
Jan. 8, 2002 
6209875 
Domino playing piece system 
Apr. 3, 2001 
6142785 
Educational set of gloves 
Nov. 7, 2000 
6129551 
Mathematical graph board 
Oct. 10, 2000 
6062566 
Dominosstyle mathematical operation game 
May. 16, 2000 
5980258 
Mathematical teaching apparatus and method 
Nov. 9, 1999 
5971269 
Computational teaching device 
Oct. 26, 1999 
5951299 
Method for mathematical representation, manipulation and problem solving, and kit 
Sep. 14, 1999 
5868393 
Method of playing a match game 
Feb. 9, 1999 
5749734 
Mathematical teaching apparatus 
May. 12, 1998 
5743741 
Math jigsaw puzzle 
Apr. 28, 1998 
5683252 
Multifunctional game and learning device 
Nov. 4, 1997 
5568924 
Supplemental card indicia idendifies like cards 
Oct. 29, 1996 
5520541 
Apparatus for teaching numbers and mathematics 
May. 28, 1996 
5385473 
Display polyhedra having marked and unmarked paired opposing faces 
Jan. 31, 1995 
5297965 
Mathematical and spatial toy apparatus 
Mar. 29, 1994 
5167505 
Educational aides and methods 
Dec. 1, 1992 
5067725 
Numbersense card game 
Nov. 26, 1991 
5066234 
Educational toy and method therefor 
Nov. 19, 1991 
5040987 
Educational aid for word and numeral recognition 
Aug. 20, 1991 
4979749 
Multiuse number board 
Dec. 25, 1990 
4915634 
Visual and manipulative teaching aid for mathematics 
Apr. 10, 1990 
4884973 
Mathematic teaching aid 
Dec. 5, 1989 
4808111 
Mathematics educating device 
Feb. 28, 1989 
4795350 
Educational toy 
Jan. 3, 1989 
4772208 
Apparatus for use in teaching mathematics 
Sep. 20, 1988 
4666163 
Card game 
May. 19, 1987 
4634385 
Teaching wheels 
Jan. 6, 1987 
4583952 
Method for teaching multiplication and division with numbers 6 through 9 
Apr. 22, 1986 
4519781 
Teaching tool 
May. 28, 1985 
4505682 
Learning aid with match and compare mode of operation 
Mar. 19, 1985 
4457719 
Electronic learning aid for providing sequencing and spelling exercises 
Jul. 3, 1984 
4378214 
Multipurpose educational device 
Mar. 29, 1983 
4372742 
Arithmetical teaching aid 
Feb. 8, 1983 
4358274 
Game and teaching device construction 
Nov. 9, 1982 
4183154 
Instructional chair 
Jan. 15, 1980 
4168583 
Number board apparatus 
Sep. 25, 1979 
3958344 
Teaching aid for teaching numbers 
May. 25, 1976 


