| |
 |
|
Class Information
Number: 434/211
Name: Education and demonstration > Mathematics > Geometry, trigonometry, or physical mathematic model structure
Description: Subject matter relating to the branches of mathematics that deal with (a) the measurement, properties, and relationships of points, lines, angles, surfaces, and solids, (b) the study of trigonometric functions and their applications, or (c) relating to a physical representation of some mathematical relationship, e.g., a model of a parabola.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7542932 |
Systems and methods for multi-objective portfolio optimization |
Jun. 2, 2009 |
| 7292964 |
Translating of geometric models into block diagram models |
Nov. 6, 2007 |
| 6941667 |
Teaching sin and cosine instrument |
Sep. 13, 2005 |
| 6872078 |
Teaching cylinder instrument |
Mar. 29, 2005 |
| 6790118 |
Block set for educational purposes |
Sep. 14, 2004 |
| 6652347 |
Entertainment device |
Nov. 25, 2003 |
| 6641453 |
Construction set for building structures |
Nov. 4, 2003 |
| 6553678 |
Austin triangle |
Apr. 29, 2003 |
| 6309716 |
Tessellation set |
Oct. 30, 2001 |
| 6241572 |
Manipulable beaded string |
Jun. 5, 2001 |
| 6213779 |
Conic section activity boards |
Apr. 10, 2001 |
| 6159329 |
Self-adhesive graph appliques |
Dec. 12, 2000 |
| 6142785 |
Educational set of gloves |
Nov. 7, 2000 |
| 6132217 |
Method and apparatus for teaching relationship of trigonometric functions between unit circle and rectangular coordinate system |
Oct. 17, 2000 |
| 6065968 |
Toy for forming variable three-dimensional design |
May. 23, 2000 |
| 6017220 |
Magnetic geometric building system |
Jan. 25, 2000 |
| 6004182 |
Temporary structure |
Dec. 21, 1999 |
| 5967788 |
Toy device for illustrating mathematics |
Oct. 19, 1999 |
| 5921781 |
3-dimensional models showing chemical point group symmetry |
Jul. 13, 1999 |
| 5873729 |
Mathematical triangle kit and method of use |
Feb. 23, 1999 |
| 5785529 |
Connector for modeling kits |
Jul. 28, 1998 |
| 5660387 |
Polyhedron puzzle |
Aug. 26, 1997 |
| 5651679 |
Virtual polyhedra models |
Jul. 29, 1997 |
| 5639090 |
Geoboard with movable pins |
Jun. 17, 1997 |
| 5599188 |
Didactic-educational toy for elementary arithmetic operations, reading and writing |
Feb. 4, 1997 |
| 5584699 |
Computerized system for teaching geometry proofs |
Dec. 17, 1996 |
| 5433611 |
Teaching apparatus and method for visually representing polynomial expressions |
Jul. 18, 1995 |
| 5407356 |
Pictorial image transforming manipulative-with multiple channel tracks |
Apr. 18, 1995 |
| 5370538 |
Devices for transforming pictorial images in orthogonal dimensions |
Dec. 6, 1994 |
| 5343369 |
Light table for teaching geometric principles |
Aug. 30, 1994 |
| 5328374 |
Geometry board |
Jul. 12, 1994 |
| 5316483 |
Geometric display device and method of demonstrating geometric shapes |
May. 31, 1994 |
| 5281145 |
Pictorial image transforming manipulatives |
Jan. 25, 1994 |
| 5249966 |
Geometric building block system employing sixteen blocks, eight each of only two tetrahedral shapes, for constructing a regular rhombic dodecahedron |
Oct. 5, 1993 |
| 5219289 |
Mathematical teaching aid |
Jun. 15, 1993 |
| 5215467 |
Mathematical instruction board and method of use |
Jun. 1, 1993 |
| 5114347 |
Mathematical function demonstrator boards |
May. 19, 1992 |
| 5108291 |
Supplementary teaching instruments |
Apr. 28, 1992 |
| 5100359 |
Toy made of several interconnectable and adaptable units |
Mar. 31, 1992 |
| RE33785 |
Geometric modeling kit and method of making same |
Dec. 31, 1991 |
| 5076793 |
Fractal mathematics kit |
Dec. 31, 1991 |
| 5013245 |
Information shapes |
May. 7, 1991 |
| 5009602 |
Rotational movement training apparatus |
Apr. 23, 1991 |
| 5009625 |
Building blocks |
Apr. 23, 1991 |
| 4846689 |
Magnetic educational aid and teaching method |
Jul. 11, 1989 |
| 4797103 |
Learning board |
Jan. 10, 1989 |
| 4790759 |
Educational building game |
Dec. 13, 1988 |
| 4701131 |
Geometric modeling kit and method of making same |
Oct. 20, 1987 |
| 4699602 |
Play set for game of skill with pieces formed by cubes |
Oct. 13, 1987 |
| 4655714 |
Visual aid for teaching trigonometric functions |
Apr. 7, 1987 |
|
|
|
