2686584

Information

• Patent Grant
• 2686584

• References
• Source

• Patent Number

  2,686,584

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1954
  70 years ago

• CPC

  • G06C23/06 - of tabulation devices

• US Classifications

  • 400 - Typewriting machines
  • 235 - Registers