Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/345
Name: Education and demonstration > Question or problem eliciting response > Correctness of response indicated to examine by self-operating or examinee actuated means > Size or shape of, or aperture in, free element cntrols indication of response correctness
Description: Subject matter wherein a freely movable element (e.g., a card, etc.) has a distinctive configuration, a perforation, or other physical characteristic which is indicative of the correct response to a question or problem.










Patents under this class:

Patent Number Title Of Patent Date Issued
8566704 System, method and computer program product for editing web pages in-context of a production view Oct. 22, 2013
8532561 Virtual training system Sep. 10, 2013
7641107 Fault monitoring and notification system for automated banking machines Jan. 5, 2010
7366646 Fault monitoring and notification system for automated banking machines Apr. 29, 2008
6768975 Method for simulating operation of an automated banking machine system Jul. 27, 2004
5759041 Mathematics teaching device Jun. 2, 1998
5634799 Educational apparatus Jun. 3, 1997
5372511 Educational toys Dec. 13, 1994
5165894 Educational book set and receptacle Nov. 24, 1992
4776802 Learning aid and puzzle Oct. 11, 1988
4526550 Combination system and question and answer matching game Jul. 2, 1985
4354842 System for utilizing interactive blocks to teach arithmetic Oct. 19, 1982
4340373 Spelling machine Jul. 20, 1982
4185400 Typewriter with instructional apparatus Jan. 29, 1980
4106216 Positioning system utilizing binary code Aug. 15, 1978
4027402 Novel educational toy Jun. 7, 1977
4024650 Educational toy May. 24, 1977
4012849 Educational quiz and answer toy Mar. 22, 1977
3986275 Apparatus for self-instruction Oct. 19, 1976











 
 
  Recently Added Patents
Monitoring device, monitoring method and non-transitory computer readable medium
Tool box
System and method for redundant array copy removal in a pointer-free language
Image forming apparatus
Vibration disturbance estimation and control
Capacity and coverage self-optimization method and device in a mobile network
Method and apparatus for monitoring wireless communication in hearing assistance systems
  Randomly Featured Patents
System and method for remotely controlling rail vehicles
Push lock
Qualification engine, rating system, and method for qualifying rating requests in a computerized rating system
Mountable pegboard device for rolling tool adapter
Actuator stem and actuator design having a D-shaped cross-section
Sewing machine
Vandal proof intercom system for apartment buildings
Hybrid contact lens system and method
Channel scanning scheme for signal strength measurement systems and methods
Method of forming reinforced thermoplastic members