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Class Information
Number: 434/168
Name: Education and demonstration > Language > Spelling, phonics, word recognition, or sentence formation > Magnet included in teaching means
Description: Subject matter having a magnet in the instructing means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7296999 |
Educational display mitt for magnetic playing pieces and method |
Nov. 20, 2007 |
| 6932613 |
Pre-writing teaching aid and method to assist beginning writers in creating letters |
Aug. 23, 2005 |
| 6793251 |
Binder with magnetically retained pages |
Sep. 21, 2004 |
| 6513708 |
Mathematics teaching system |
Feb. 4, 2003 |
| 6354840 |
Basic educational system |
Mar. 12, 2002 |
| 6273726 |
Method of associating oral utterances meaningfully with word symbols seriatim in an audio-visual work and apparatus for linear and interactive application |
Aug. 14, 2001 |
| 6062863 |
Method of associating oral utterances meaningfully with word symbols seriatim in an audio-visual work and apparatus for linear and interactive application |
May. 16, 2000 |
| 5993218 |
Multi-sided word kit |
Nov. 30, 1999 |
| 5820383 |
Magnetic manipulatives book |
Oct. 13, 1998 |
| 5813154 |
Magnetic display format system for accomodation of alphanumeric character width difference |
Sep. 29, 1998 |
| 5666712 |
Method of making designs using magnetic materials |
Sep. 16, 1997 |
| 5646601 |
Magnetic apparatus for actuating a reed switch and associated system |
Jul. 8, 1997 |
| 5337501 |
Interlocking means for magnetic alphanumeric characters |
Aug. 16, 1994 |
| 5006000 |
Educational aid with substitutable magnetic items |
Apr. 9, 1991 |
| 4952153 |
Surface mounted magnetic toy |
Aug. 28, 1990 |
| 4865324 |
Magnetic wheel puzzle |
Sep. 12, 1989 |
| 4846689 |
Magnetic educational aid and teaching method |
Jul. 11, 1989 |
| 4838793 |
Activity display article with removable manipulatives |
Jun. 13, 1989 |
| 4832605 |
Teaching and demonstration system |
May. 23, 1989 |
| 4822283 |
Semantic mapping device for teaching language skills |
Apr. 18, 1989 |
| 4795348 |
Communication aid method and apparatus for the handicapped |
Jan. 3, 1989 |
| 4753439 |
Message type recording psychographs |
Jun. 28, 1988 |
| 4702700 |
Activity book with removable manipulatives |
Oct. 27, 1987 |
| 4575091 |
Word game of magnetizable letters for children |
Mar. 11, 1986 |
| 4366637 |
Set of advertising components |
Jan. 4, 1983 |
| 4353700 |
Educational learning aid |
Oct. 12, 1982 |
| 4295832 |
Educational toy |
Oct. 20, 1981 |
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