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Class Information
Number: 434/311
Name: Education and demonstration > Audio recording and visual means > Common carrier for visual means and audio recording > Card, sheet, or block
Description: Subject matter wherein the carrier structure is a card, sheet, block or the like.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7090252 |
Folded integral composite image product and method of making |
Aug. 15, 2006 |
| 6994555 |
Play cube to aid in recognizing and developing various emotional states |
Feb. 7, 2006 |
| 6933928 |
Electronic book player with audio synchronization |
Aug. 23, 2005 |
| 6755655 |
Electronic educational toy appliance and a portable memory device therefor |
Jun. 29, 2004 |
| 6729881 |
Electronic educational toy appliance and a portable memory device therefor |
May. 4, 2004 |
| 6463258 |
Electrical flash card unit and method of use |
Oct. 8, 2002 |
| 6439723 |
Ornamental image display and sound device |
Aug. 27, 2002 |
| 6377780 |
Device for displaying multiple scenes animated by sequences of light |
Apr. 23, 2002 |
| 6215978 |
Position-sensitive educational product |
Apr. 10, 2001 |
| 5959281 |
Interactive card reading system |
Sep. 28, 1999 |
| 5944574 |
Interactive audio-visual toy |
Aug. 31, 1999 |
| 5768223 |
Audio device |
Jun. 16, 1998 |
| 5631883 |
Combination of book with audio device |
May. 20, 1997 |
| 5611694 |
Interactive talking picture machine |
Mar. 18, 1997 |
| 5556283 |
Card type of electronic learning aid/teaching apparatus |
Sep. 17, 1996 |
| 5474457 |
Interactive talking picture machine |
Dec. 12, 1995 |
| 5451178 |
Auditory playing device |
Sep. 19, 1995 |
| 5415553 |
Device for identifying an object using an omnidirectional bar code |
May. 16, 1995 |
| 5001696 |
Method of preparing an image access card |
Mar. 19, 1991 |
| 4994987 |
Image access system providing easier access to images |
Feb. 19, 1991 |
| 4936780 |
Touch sensor alpha-numeric blocks |
Jun. 26, 1990 |
| 4729564 |
Card reading responsive electronic game |
Mar. 8, 1988 |
| 4681548 |
Audio visual apparatus and method |
Jul. 21, 1987 |
| 4673357 |
Teaching machine |
Jun. 16, 1987 |
| 4664634 |
Electric self-teaching apparatus utilizing printed and auditory means |
May. 12, 1987 |
| 4651613 |
Musical block |
Mar. 24, 1987 |
| 4425099 |
Educational aid for use with workbook |
Jan. 10, 1984 |
| 4406629 |
Cards for spelling readout |
Sep. 27, 1983 |
| 4237624 |
Cards for learning pronunciations |
Dec. 9, 1980 |
| 4158264 |
Audio-visual teaching apparatus |
Jun. 19, 1979 |
| 4031634 |
Teaching device |
Jun. 28, 1977 |
| 4019263 |
Card type language teaching apparatus |
Apr. 26, 1977 |
| 4007547 |
Card handling teaching machine with instantaneous feedback system |
Feb. 15, 1977 |
| 3979770 |
System for preventing erasure of audio recordings |
Sep. 7, 1976 |
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