Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/326
Name: Education and demonstration > Question or problem eliciting response > Mark transfer sheet (e.g., carbon paper, etc.) included in examining means
Description: Subject matter including a first surface for receiving an examinee"s marked or written response and means transferring it to a second surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
8540520 Apparatus and method for instructional information delivery Sep. 24, 2013
8348675 Apparatus and method for delivery of instructional information Jan. 8, 2013
6985079 System and method for enhanced alertness and efficient distributed management for video surveillance Jan. 10, 2006
6173154 System and method for imaging test answer sheets having open-ended questions Jan. 9, 2001
6042384 Computerized systems for optically scanning and electronically scoring and reporting test results Mar. 28, 2000
5453600 Machine readable code combining preprinted indicia with hand-mark data Sep. 26, 1995
5331137 Machine readable code combining preprinted indicia with hand-mark data Jul. 19, 1994
4898537 Locating system for maps and other diagrams and displays Feb. 6, 1990
4604063 System for and a method of translation Aug. 5, 1986
4175339 Diagnostic skills test Nov. 27, 1979

  Recently Added Patents
Methods of forming integrated circuit packages
High-resolution, active reflector radio frequency ranging system
Regenerative power storage system mounted on DC electric railway car
Attribute information providing system
Printing system, information processing apparatus, print job processing method, information processing method, program, and storage medium
Single-stage PFC converter with constant voltage and constant current
Sensing device and electronic apparatus
  Randomly Featured Patents
Hemodialysis apparatus
Honeycomb structure and exhaust gas treatment apparatus
Method and apparatus for detecting frame in data stream
Mixed matrix membranes with small pore molecular sieves and methods for making and using the membranes
Instrument sterilization container having improved drainage and support for an instrument mat
Semiconductor device, method for manufacturing the same, and semiconductor device mounting structure
Data dependent drive scheme and display
Two motor arrangement for a door operator
Screw washer