3028502

Information

• Patent Grant
• 3028502

• References
• Source

• Patent Number

  3,028,502

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1962
  62 years ago

• CPC

  • G06K9/036 - Evaluation of quality of acquired pattern
  • B41F33/0036 - Devices for scanning or checking the printed matter for quality control
  • G01N21/86 - Investigating moving sheets
  • G06G7/188 - using electromechanical elements

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy
  • 324 - Electricity: measuring and testing