2413888

Information

• Patent Grant
• 2413888

• References
• Source

• Patent Number

  2,413,888

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1947
  78 years ago

• CPC

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

• US Classifications

  • 235 - Registers