3842245

Information

• Patent Grant
• 3842245

• References
• Source

• Patent Number

  3,842,245

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  49 years ago

• CPC

  • G06K1/04 - controlled by sensing markings on the record carrier being punched

• US Classifications

  • 235 - Registers