1223723

Information

• Patent Grant
• 1223723

• References
• Source

• Patent Number

  1,223,723

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1917
  107 years ago

• CPC

  • G06M1/066 - for arithmetical operations

• US Classifications

  • 235 - Registers
  • 232 - Deposit and collection receptacles