Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
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 Dominos-style 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 Multi-functional 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 Number-sense 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 Multi-use 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 Multi-purpose 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











 
 
  Recently Added Patents
Photon density wave based determination of physiological blood parameters
Morphinan compounds
Micro positioning test socket and methods for active precision alignment and co-planarity feedback
Automobile body
Information processing apparatus, information processing method, and program
Method and apparatus for content-aware resizing of data chunks for replication
Extreme ultraviolet light generation apparatus
  Randomly Featured Patents
Prefabrication system for building walls
Support device for hanging sheetlike objects using thin support tabs
Method and system for compressing data in a multi-channel image processing system
Pad transfer apparatus for chemical mechanical planarization
Passenger service apparatus in a passenger cabin of an aircraft
Metal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride process
Circuit board assembly
Methods and compositions for producing a fascial sling
Paper machine deckle structure with a c-clip support beam
Biological semi-fluid processing assembly