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Class Information
Number: 434/171
Name: Education and demonstration > Language > Spelling, phonics, word recognition, or sentence formation > Letter or word bearing elements (e.g., cards, blocks, etc.) with interfitting surface configurations
Description: Subject matter including components having letters or words thereon and shaped so that surfaces thereof interfit.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7351062 |
Educational devices, systems and methods using optical character recognition |
Apr. 1, 2008 |
| 7316567 |
Physical programming toy |
Jan. 8, 2008 |
| 6928835 |
Pop beads having elongated necks |
Aug. 16, 2005 |
| 6926529 |
Tag-along teacher educational aids |
Aug. 9, 2005 |
| 6869286 |
Language learning system |
Mar. 22, 2005 |
| 6641401 |
Interactive apparatus with templates |
Nov. 4, 2003 |
| 6629845 |
Products & methods that harness the power of fun to motivate children |
Oct. 7, 2003 |
| 6551110 |
Visual educational device for teaching literacy |
Apr. 22, 2003 |
| 6500007 |
Apparatus for entertainment and education and method of use |
Dec. 31, 2002 |
| 6450499 |
Educational word game and method for employing same |
Sep. 17, 2002 |
| 6401488 |
Pop beads having elongated necks |
Jun. 11, 2002 |
| 6271453 |
Musical blocks and clocks |
Aug. 7, 2001 |
| 6146146 |
Learning device for children |
Nov. 14, 2000 |
| 5993217 |
Learning apparatus |
Nov. 30, 1999 |
| 5980354 |
Storyboard toys for nurturing cognition and learning strategies |
Nov. 9, 1999 |
| 5947741 |
Twenty-six sided game ball |
Sep. 7, 1999 |
| 5906492 |
Educational phonetic card game using tape recorded pronunciation |
May. 25, 1999 |
| 5863204 |
Apparatus and method for teaching character |
Jan. 26, 1999 |
| 5833465 |
Alpha-blox |
Nov. 10, 1998 |
| 5823782 |
Character recognition educational system |
Oct. 20, 1998 |
| 5816886 |
Sentence forming toy vehicle track set |
Oct. 6, 1998 |
| 5795163 |
Educational device to teach the severely mentally handicapped |
Aug. 18, 1998 |
| 5653593 |
Spaceballs |
Aug. 5, 1997 |
| 5554062 |
Building word blocks |
Sep. 10, 1996 |
| 5525060 |
Multiple language learning aid |
Jun. 11, 1996 |
| 5487670 |
Dynamic language training system |
Jan. 30, 1996 |
| 5453014 |
Dynamic language training system |
Sep. 26, 1995 |
| 5447433 |
Learning system with interlocking hexagonal control structures |
Sep. 5, 1995 |
| 5417604 |
Kit suitable for forming decorative signs |
May. 23, 1995 |
| 5405135 |
Block puzzle |
Apr. 11, 1995 |
| 5364272 |
Apparatus and method for teaching |
Nov. 15, 1994 |
| 5346399 |
Educational game for children |
Sep. 13, 1994 |
| 5337501 |
Interlocking means for magnetic alphanumeric characters |
Aug. 16, 1994 |
| 5282631 |
Cross-word board game construction system and method |
Feb. 1, 1994 |
| 5203706 |
Educational device |
Apr. 20, 1993 |
| 5188533 |
Speech synthesizing indicia for interactive learning |
Feb. 23, 1993 |
| 5074794 |
Sequencing puzzle |
Dec. 24, 1991 |
| 5027523 |
Learning device for aiding a person in forming alphanumeric combinations |
Jul. 2, 1991 |
| 5013245 |
Information shapes |
May. 7, 1991 |
| 4950165 |
Educational toy blocks |
Aug. 21, 1990 |
| 4914019 |
Multi-purpose learning device |
Apr. 3, 1990 |
| 4822283 |
Semantic mapping device for teaching language skills |
Apr. 18, 1989 |
| 4690410 |
Word forming tile game |
Sep. 1, 1987 |
| 4674983 |
Relation teaching block arrays |
Jun. 23, 1987 |
| 4666163 |
Card game |
May. 19, 1987 |
| 4613309 |
Figures of speech |
Sep. 23, 1986 |
| 4529385 |
Educational playset |
Jul. 16, 1985 |
| 4422642 |
Novelty educational puzzle apparatus |
Dec. 27, 1983 |
| 4353700 |
Educational learning aid |
Oct. 12, 1982 |
| 4044476 |
Educational methods and devices |
Aug. 30, 1977 |
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