1411357

Information

• Patent Grant
• 1411357

• References
• Source

• Patent Number

  1,411,357

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1922
  102 years ago

• CPC

  • B43K29/093 - with calculators
  • G06G1/0078 - for calculating interests

• US Classifications

  • 235 - Registers