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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:
1 2

Patent Number Title Of Patent Date Issued
8672328 Word-forming game and method Mar. 18, 2014
8567787 Word scramble games for stimulating brain and physical health Oct. 29, 2013
8251701 Interactive language apparatus Aug. 28, 2012
8057233 Manipulable interactive devices Nov. 15, 2011
7848919 Method and system of editing a language communication sheet Dec. 7, 2010
7695357 Entertainment system and method of playing a word game Apr. 13, 2010
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

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