3401374

Information

• Patent Grant
• 3401374

• References
• Source

• Patent Number

  3,401,374

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1968
  56 years ago

• CPC

  • G07C1/16 - wherein the time is indicated by marking an element

• US Classifications

  • 365 - Static information storage and retrieval