3839624

Information

• Patent Grant
• 3839624

• References
• Source

• Patent Number

  3,839,624

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  49 years ago

• CPC

  • G06G3/00 - Devices in which the computing operation is performed mechanically

• US Classifications

  • 235 - Registers
  • 033 - Geometrical instruments