2424890

Information

• Patent Grant
• 2424890

• References
• Source

• Patent Number

  2,424,890

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1947
  77 years ago

• CPC

  • G06G1/0089 - for calculating taxes
  • G06G1/08 - with circular or helical scales

• US Classifications

  • 235 - Registers