2173264

Information

• Patent Grant
• 2173264

• References
• Source

• Patent Number

  2,173,264

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1939
  86 years ago

• CPC

  • G06G3/00 - Devices in which the computing operation is performed mechanically
  • G06G3/02 - for performing additions or subtractions

• US Classifications

  • 235 - Registers