3718761

Information

• Patent Grant
• 3718761

• References
• Source

• Patent Number

  3,718,761

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  52 years ago

• CPC

  • G06K7/10871 - randomly oriented data-fields, code-marks therefore
  • G07G1/10 - mechanically operated

• US Classifications

  • 235 - Registers
  • 348 - Television
  • 359 - Optical: systems and elements