Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
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:

Class Number Class Name Patents
434/312 Reading head moved past stationary audio track 5


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











 
 
  Recently Added Patents
Architectural panel with Tarwe and grass
Method of preparing enteric hard capsule and enteric hard capsule prepared thereby
Low cost mesh network capability
System and method for enabling image recognition and searching of remote content on display
Silicone hydrogel, lens for eye and contact lens
Network based technique for obtaining operator identifier for mobile devices
Method of using N-thio compounds for oligonucleotide synthesis
  Randomly Featured Patents
Drawing machine
Printing apparatus having a video data processor and printing method for use with the same
DMD display system controller
Orthopedic surgery brush
Internal combustion engine comprising an electromagnetic actuator which is situated on a cylinder head
Pressure sensitive adhesives of acetoacetoxy-alkyl acrylate polymers
Method and apparatus for efficiently and dynamically updating monitored metrics in a heterogeneous system
Bicyclic pyrazolo-heterocycles
Apparatus and a method for detecting and measuring trace gases in air or other gaseous background
Method for producing creped nonwoven webs