3021056

Information

• Patent Grant
• 3021056

• References
• Source

• Patent Number

  3,021,056

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • G06C15/06 - having balance totalising Obtaining sub-total

• US Classifications

  • 235 - Registers