1504632

Information

• Patent Grant
• 1504632

• References
• Source

• Patent Number

  1,504,632

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1924
  100 years ago

• CPC

  • G06G1/0078 - for calculating interests
  • G06G1/00 - Hand manipulated computing devices

• US Classifications

  • 235 - Registers