3787660

Information

• Patent Grant
• 3787660

• References
• Source

• Patent Number

  3,787,660

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  50 years ago

• CPC

  • G06K1/04 - controlled by sensing markings on the record carrier being punched
  • G06K1/12 - otherwise than by punching

• US Classifications

  • 235 - Registers